Question

give answers with explanation​

Answer 1

Answer:

1. B as lead iodide will be formed which is a yellow colour precipitate

2 Hydrogen is the gas because hydrogen burns with a pop sound when a candle is brought near to it

3. ii and iv (d) as iron and zinc are reactive than hydrogen so H2 gas will be released as the metal will displace hydrogen and form metal salt

4 b as mass is same on both the sides of each element

Explanation:

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