Give two uses of nitric acid.

Important Questions on Acids, Bases and Salts

MEDIUM

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q B

Give two uses of sulphuric acid.

MEDIUM

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q B

What is neutralisation reaction? Give an example from everyday life.

HARD

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q B

Which alkali is used to reduce the acidity of soil?

HARD

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q C

How should factory waste be treated before being discharged into water bodies?

HARD

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q C

What do you mean by acidity? How can it be cured?

HARD

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q C

List four properties of acids and bases.

MEDIUM

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q C

What are indicators? With the help of an activity show that turmeric acts as an indicator.

HARD

7th CBSE

IMPORTANT

Frank Everyday Science>Chapter 5 - Acids, Bases and Salts>Let's revise>Q 1

Two of the most commonly used salts are Sodium chloride $\mathrm{NaCl}$ and Sodium bicarbonate ${\mathrm{NaHCO}}_3$ Find out which of these is used (i) as baking powder (ii) as a preservative in pickles and in preserving meat and fish and also think of the reasons for doing so.