HH9_ÔN TẬP HK1
Quiz
•
Chemistry
•
9th Grade
•
Medium
Mai Tuyết
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đáp án nào chứa các hợp chất là Bazo
NaOH, Cu(OH)2, CaO, KCl
NaOH, Cu(OH)2, H2SO4, KCl
NaOH, Cu(OH)2, Ca(OH)2, Mg(OH)2
KOH, Cu(OH)2, CaSO4, KCl
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Những kim loại tan trong nước ở nhiệt độ thường là
K, Mg, Ba, Ca
Ca, Na, Ba, Ca
Cu, Na, Ca, Ba
Ag, Au, Al, Fe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dãy nào chứa các hợp chất là Muối
CuCl2, SO2, HNO3
BaCl2, NaOH, CaO
HCl, CuCl2, H2O
CuCl2, MgSO4, AgNO3
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Kim loại nào sau đây không tác dụng được với axit loãng
Mg
Cu
Al
Fe
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Viết phương trình khi nung nóng Cu(OH)2 ở nhiệt độ cao:
Cu(OH)2 -> CuO + H2O
Cu(OH)2 -> 2CuO + H2O
2Cu(OH)2 -> 2CuO + H2O
3Cu(OH)2 -> 3CuO + 2H2O
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kim loại có những tính chất vật lý nào
Dẫn điện, dẫn nhiệt
Ánh kim
Tính dẻo
Tất cả các tính chất trên
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho 28g sắt tác dụng với axit clohidric (HCl). Thu được khí hidro và muối sắt (II) clorua ( FeCl2). ( Cho Fe =56)
Số mol sắt là:
0,5 mol
1 mol
0,25 mol
0,75 mol
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