Question

Match the term A with the statement B in the following:

Column A	Column B
1. Slaked lime	(i)used in batteries
2. pH $8$	(ii)sour in taste
3. Vinegar	(iii)apply on bee's sting
4. Sulphuric acid	(iv)indicator, turns brown with the application of soap
5. Yellow from turmeric	(v)basic in nature

Accepted Answer

1. Slaked lime is calcium hydroxide, which is a base and it is applied on bee's sting which is acidic in nature to neutralise the painful effect of bee's sting.

2. pH $8$ indicates that the substance is basic in nature. pH value varies from $0 - 14$ . Below $7$ the substance is acidic, $7$ is neutral and above $7$ the substance will be basic in nature.

3. Vinegar contains acetic acid and hence it is sour in taste.

4. Sulphuric acid is used in batteries of inverters, cars, buses etc.

5. Yellow from turmeric is a natural indicator which turns brown with the application of soap because soap is basic in nature.

Column A Column B

1. Slaked lime (iii)apply on bee's sting

2. pH $8$ (v)basic in nature

3. Vinegar (ii)sour in taste

4. Sulphuric acid (i)used in batteries

5. Yellow from turmeric (iv)indicator, turns brown with the application of soap

B K Gowel and Sangeeta Solutions for Chapter: Acids, Bases and Salts, Exercise 8: EXERCISES

B K Gowel Science Solutions for Exercise - B K Gowel and Sangeeta Solutions for Chapter: Acids, Bases and Salts, Exercise 8: EXERCISES

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