Give three uses of baking soda.

Important Questions on Acids, Bases And Salts

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 2

Give three uses of washing soda.

HARD

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 3

Classify the following as normal, acid and basic salts, giving reasons for your answers.
(i) KCl (ii) Na₂SO₄ (iii) FeSO₄ (iv) KHCO₃ (v) CuSO₄ (vi)CH₃COONa

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 4

Sodium chloride, ammonium chloride and limestone are used as raw materials in the manufacture of baking soda. What is the importance of each raw material?

EASY

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 5

Write the chemical formula for washing soda.

EASY

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 6

Write the chemical formula for bleaching powder.

EASY

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 7

Write the chemical formula of washing soda and baking soda.

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 8

A compound that is prepared from gypsum has a property of hardening when mixed with proper quantity of water. Identify the compound.

MEDIUM

10th CBSE

IMPORTANT

Core Science Chemistry>Chapter 2 - Acids, Bases And Salts>EXERCISE 2C>Q 9

Crystals of copper sulphate are heated in a test tube for some time.
What is the colour of copper sulphate crystals:
(i) before heating and (ii) after heating?