Question

. Name the following- [5]

i. In electrolysis of water, gas collected at negative electrode.

ii. Oxides dissolve in water to form acid.

iii. A substance containing water of crystallization.

iv. A light green color crystal.

v. Temporary hardness can be removed by.

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Answer 1

I) Hydrogen

2)Acidic

3) Hydrates

4)FeSO4

5) Boiling