EASY
9th CBSE
IMPORTANT
Earn 100

The quantity of heat required to change 1 kg of a solid into liquid at atmospheric pressure at its melting point is called

50% studentsanswered this correctly

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A
The SI unit of latent heat of vaporisation is :
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A
Which of the following substances exhibit the strongest intermolecular attractive forces?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A
When ice melts to water, heat is
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A

Evaporation of a liquid occurs at

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A

The latent heat of vaporisation of water is _____.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A
The latent heat of fusion of ice is _____.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A

During summer months, water kept in an earthen pot becomes cool due to the phenomenon of

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q A

Which of the following conditions will increase the evaporation of water?