Question

solve these questions plz ​

Answer 1

Explanation:

1. olfactory indicators.

2. Acid base indicators are those which indicate the presence of acid or base in a solution.

Ex: litmus paper, turmeric

3. i) H2 = we can detect hydrogen when a solution releases bubbles.

ii) CO2 = we can detect CO2 when the gas released turns lime water milky.

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