What is an antacid?

Important Questions on Acids, Bases and Salts

HARD

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q V

Give two examples of salts which are coloured with water of crystallisation and they lose colour on losing water of crystallisation.

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q V

List two uses of hydrochloric acid.

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q V

List two uses of nitric acid.

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q V

List two uses of sulphuric acid.

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q V

What are indicators? Name some.

EASY

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q VI

The substance which shows the nature of a solution as acidic or basic with the change in colour is called an indicator.

MEDIUM

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q VI

Most of the organic acids come from plants. 

HARD

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>EXERCISES>Q VI

Alkali is a base which is not soluble in water.