Đề KIỂM TRA 1 tiết môn hóa học lớp 8 (4)

Tr ng THCS ………………………ườH tên: …………………………........ọ Ki tra: ti ếL p: 8……ớ Môn: Hóa (Ngày…./10 /2018)Đi mể phê giáo viênờ Ch kí giám kh oữ ảĐ 1Ề I. TR NGHI M:Ắ (3 đi m) Khoanh tròn vào ch cái tr câu tr đúng nh t.ể ướ ấCâu 1: th nhiên là:ậ ựA Xà bông. Cây .ỏ Bàn gh .ế .T sách.ậCâu 2: Nguyên trung hòa đi là do trong nguyên có:ử ửA Có n.ố Có e.ố ốB Có e.ố ng và e.ổ ốCâu 3: Kh ng tính ng cacbon 2CaO là:ố ượ ủA 56 9,296.10 -23C 112. 11,952. 10 -23Câu 4: Ch công th hóa đúng ch S(VI) và O(II):ọ ởA S2 O3 AlO Al2 O6 SO3Câu 5: Cách vi 2Hế2 ch gì?ỉA phân hiđro.ử nguyên hiđro.ốB nguyên hiđro.ử ch hiđro.ấCâu 6: Cho các ch sau: COấ2 CuO, KCl, H2 O, Zn, O2 Trong đó có nấ ơch t, ch tấ ấA ch t, ch t.ơ ch t, ch t.ơ ấB ch t, ch t.ơ ch t, ch t.ơ ấII. LU N:Ự (7 đi m)ểCâu 1: (1,5 đi m)ể Nêu nghĩa các công th hóa sau:ủ ọa. Axit sunfuric H2 SO4 .b. Khí Clo Cl2 .Câu 2: a. Tính hóa tr nguyên trong công th COị ứ2 (1 đi m)ểb. công th hóa và tính phân kh ch Fe(III)ậ ởvà nhóm (OH) (hóa tr I). (1,5 đi m)ểCâu 3: (3 đi m)ể ch có phân nguyên nguyên liên iộ ớ4 nguyên hidro và ng phân hidro (Hử ử2 14 n.ầa. Tính phân kh ch t.ử ấb. Tính nguyên kh X. là nguyên nào?ử ốc. Tính thành ph ph trăm kh ng nguyên trong pầ ượ ợch t.ấ(Cho bi Fe 56; 1; 16; 32; Ca 40; Cl 35,5;C= 12 )ế......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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ng THCS ……………………….ườH tên: …………………………........ọ Ki tra: ti ếL p: 8……ớ Môn: Hóa (Ngày…./10 /2018)Đi mể phê giáo viênờ Ch kí giám kh oữ ảĐ 2Ề I. TR NGHI M:Ắ (3 đi m) Khoanh tròn vào ch cái tr câu tr đúng nh t.ể ướ ấCâu 1: Cho các ch sau: Oấ2 CuO, KCl, H2 O, Al, H2 Trong đó có ch t,ấ ấm ch tấ ấA ch t, ch t.ơ ch t, ch t.ơ ấB ch t, ch t.ơ ch t, ch t.ơ ấCâu 2: Nguyên trung hòa đi là do trong nguyên có:ử ửA Có n.ố Có e.ố ốB Có e.ố ng và e.ổ ốCâu 3: Kh ng tính ng cacbon 2CuO là:ố ượ ủA 80 1,9426.10 -23C 160. 32. 10 -23Câu 4: th nhân là:ậ ạA Xà bông. Cây .ỏ Hoa ng.ồ .Bi n.ểCâu 5: Cách vi 2H ch gì?ế ỉA phân hiđro.ử nguyên hiđro.ốB nguyên hiđro.ử ch hiđro.ấCâu 6: Ch công th hóa đúng ch S(IV) và O(II):ọ ởA S2 O4 SO SO2 SO3II. LU NỰ (7 đi m)ểCâu 1: (1,5 đi m)ể Nêu nghĩa các công th hóa sau:ủ ọa. Khí hidro H2 .b. etylic Cượ2 H6 O.Câu 2: a. Tính hóa tr nguyên trong công th SOị ứ3 (1 đi m)ểb. công th hóa và tính phân kh ch Al (hóaậ ởtr III) và nhóm OH (hóa tr I). (1,5 đi m)ểCâu 3: (3 đi m)ể ch có phân nguyên nguyên liên tộ ếv nguyên oxi và ng phân oxi (Oớ ử2 4,4375 n.ầa. Tính phân kh ch t.ử ấb. Tính nguyên kh X, là nguyên nào?ử ốc. Tính thành ph ph trăm kh ng nguyên trong ch t.ầ ượ ấ(Cho bi 31, Al 27, 32, 16, 1,ế Cl 35,5, 14, 12; Cu 64 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ng THCS ………………………ườH tên: …………………………........ọ Ki tra: ti ếL p: 8……ớ Môn: Hóa (Ngày…./10 /2018)Đi mể phê giáo viênờ Ch kí giám kh oữ I. TR NGHI M:Ắ (3 đi m) Khoanh tròn vào ch cái tr câu tr đúng ướ ờnh t.ấCâu 1: th nhiên là:ậ ựA Xà bông. Cây .ỏ Bàn gh .ế .T sách.ậCâu 2: Nguyên trung hòa đi là do trong nguyên có:ử ửA Có n.ố Có e.ố ốB Có e.ố ng và e.ổ ốCâu 3: Kh ng tính ng cacbon 2CaO là:ố ượ ủA 56 9,296.10 -23C 112. 11,952. 10 -23Câu 4: Ch công th hóa đúng ch S(VI) và O(II):ọ ởA S2 O3 AlO Al2 O6 SO3Câu 5: Cách vi 2Hế2 ch gì?ỉA phân hiđro.ử nguyên hiđro.ốB nguyên hiđro.ử ch hiđro.ấCâu 6: Cho các ch sau: COấ2 CuO, KCl, H2 O, Zn, O2 Trong đó có nấ ơch t, ch tấ ấA ch t, ch t.ơ ch t, ch t.ơ ấB ch t, ch t.ơ ch t, ch t.ơ ấII. LU N:Ự (7 đi m)ểCâu 1: (1,5 đi m)ể Nêu nghĩa các công th hóa sau:ủ ọa. Axit nitric HNO3 .b. Khí Nit Nơ2 .Câu 2: a. Tính hóa tr nguyên trong công th CHị ứ4 (1 đi m)ểb. công th hóa và tính phân kh ch Al(III)ậ ởvà nhóm (SO4 (hóa tr II). (1,5 đi m)ểCâu 3: (3 đi m)ể ch có phân nguyên nguyên liên iộ ớ4 nguyên hidro và ng phân hidro (Hử ử2 14 n.ầa. Tính phân kh ch t.ử ấb. Tính nguyên kh X. là nguyên nào?ử ốc. Tính thành ph ph trăm kh ng nguyên trong pầ ượ ợch t.ấ(cho bi 1; 16; 32; Ca =40; 14; 12;Al 27)ế....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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ng THCS ………………………ườH tên: …………………………........ọ Ki tra: ti ếL p: 8……ớ Môn: Hóa (Ngày…./10 /2018)Đi mể phê giáo viênờ Ch kí giám kh oữ I. TR NGHI M:Ắ (3 đi m) Khoanh tròn vào ch cái tr câu tr đúng ướ ờnh t.ấCâu 1: Cho các ch sau: Oấ2 CuO, KCl, H2 O, Al, H2 Trong đó có ch t,ấ ấm ch tấ ấA ch t, ch t.ơ ch t, ch t.ơ ấB ch t, ch t.ơ ch t, ch t.ơ ấCâu 2: Nguyên trung hòa đi là do trong nguyên có:ử ửA Có n.ố Có e.ố ốB Có e.ố ng và e.ổ ốCâu 3: Kh ng tính ng cacbon 2CuO là:ố ượ ủA 80 1,9426.10 -23C 160. 32. 10 -23Câu 4: th nhân là:ậ ạA Xà bông. Cây .ỏ Hoa ng.ồ .Bi n.ểCâu 5: Cách vi 2H ch gì?ế ỉA phân hiđro.ử nguyên hiđro.ốB nguyên hiđro.ử ch hiđro.ấCâu 6: Ch công th hóa đúng ch S(IV) và O(II):ọ ởA S2 O4 SO SO2 SO3II. LU N:Ự (7 đi m)ểCâu 1: (1,5 đi m)ể Nêu nghĩa các công th hóa sau:ủ ọa. Axitphotphoric H3 PO4 .b. Khí oxi O2 .Câu 2: a. Tính hóa tr nguyên trong công th Pị ứ2 O3 (1 đi m)ểb. công th hóa và tính phân kh ch Fe(III)ậ ởvà nhóm (SO4 (hóa tr II). (1,5 đi m)ểCâu 3: (3 đi m)ể ch có phân nguyên nguyên liên iộ ớ3 nguyên oxi và ng phân hidro Hử ử2 55 n.ầa. Tính phân kh ch t.ử ấb. Tính nguyên kh X. là nguyên nào?ử ốc. Tính thành ph ph trăm kh ng nguyên trong pầ ượ ợch t.ấ(cho bi Cu 64; Fe 56; 1; 16; 32; 12; 14; 31)ế....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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