LUYỆN TẬP NHÓM HALOGEN

Quiz
•
Mathematics
•
10th Grade
•
Easy

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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MnO2 + 4HCl ->MnCl2 + Cl2 + 2H2O
Cl2 + 2NaBr -> 2NaCl + Br2
2NaCl + 2H2O ->2NaOH + Cl2 + H2 (đpdd, có màng ngăn)
2NaOH + Cl2 -> NaCl + NaClO + H2O
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
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