Chemistry, asked by aryaDW, 11 months ago

pls answer it quickly

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Answered by chayaa0211

1

Answer:

Explanation:

1) chlorine gas is evolved

2)brisk effervescence is observed due to liberation of co2 gas

3) hydrogen is passed over copper oxide and copper with water is obtained

4) it turns grey in sunlight due to decomposition of calcium chloride into calcium and chlorine gas

5)it produces acidic substance when reacted with water

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