Question

E. Give reasons for the following.

1. Only few substances can be used as natural indicators.

2. Washing soda is an effective component of detergents not baking soda.

3. Calamine solution is applied on the skin when an ant bites.

4. Neutral solutions do not show any effect on litmus paper.

5. Turmeric stain on white shirt turns to red when it is washed with soap.​

Answer 1

Answer:

1.only few substance can be used as natural indicators because, some natural indicator do not have chemical properties which can change the colour of substance

2.washing soda because that is made for washing, not baking soda .

3. calamine solution is a base, when ant bites it release acid and combination of acid and base form neutralization.

4. neutral solution do not show any effect on litmus paper because it is neutral and pH is 7

5. turmeric stain on white shirt turns red when it was with soap because soap is a base and it turn turmeric stain into red

Explanation:

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