Question

1. A Soap Solution is –
a) Basic b) Acidic c) Alkaline d) Neutral
2. CO2 + H2O →
a) Sulphuric acid b) Nitric acid c) Carbonic acid d) None
3. Which one of the following does not cause acid rain?
a) CO2 b) CaO c) N2O
4. Which one of the following is basic in nature?
a) Curd b) coffee c) Vinegar
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Answer 1

Explanation:

1) alkaline

2) carbonic acid

3) CaO

4) cofee