quiz hóa 2 giữa kì 2
Authored by Phương Linh
Chemistry
8th Grade
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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
base là hợp chất gồm nguyên tử phi kim liên kết với 1 hay nhiều nhóm hydroxide
đúng
sai
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
base khi tan trong nước tạo ion OH-
đúng
sai
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
base không tan trong nước còn gọi là base kiềm
đúng
sai
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
quy tắc gọi tên base là: tên kim loại (kèm hóa trị đối với mọi kim loại) + hydroxide
đúng
sai
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
KOH + HCl --> KCl + H2O
đúng
sai
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fe(OH)2 + H2SO4 --> Fe2(SO4)3 + H2O
sai
đúng
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ca(OH)2 + 2HCl --> CaCl + 2H2O
sai
đúng
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