Question

identify the incorrect pair 1. quick lime - calcium hydroxide 2. lemon- acidic acid 3. tamarind - tartaric acid 4. yoghurt- lactic acid

Answer 1

2 nd becoz
lemon have - citric acid

Answer 2

$\bf{1}$

This is beacuse ,

Quick lime have calcium oxide.

Lemon is acidic.

Tarmarind have tartaric acid.

Yoghurt is actually differnt form of milk or curd, so it have lactic acid.