Differentiate between dilute and concentrated solutions.

Important Questions on Water, Solution, Solubility and Hydrogen

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 8

Solubility of copper sulphate in water is $20.7 \mathrm{g}$ at $20 °\mathrm{C}$. What do you mean by this statement?

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 9

How does freezing point get affected due to the presence of impurities?

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 10

Name two metals which react with moisture.

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 11

How is hydrogen gas used in metallurgy? Give an example.

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 12

What is the value of the specific heat capacity of water? How much heat energy is required to increase the temperature of $5 \mathrm{g}$ of water to $1 °\mathrm{C}$?

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 13

What is meant by hardening of oils? How is it done?

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 14

How is water gas formed?

HARD

8th CBSE

IMPORTANT

Pearson IIT Foundation Chemistry>Chapter 5 - Water, Solution, Solubility and Hydrogen>PRACTICE QUESTIONS (CLASSROOM WING)>Q 15

What is the difference between latent heat of fusion and latent heat of vaporization? Discuss the difference taking water as an example.