EASY
9th CBSE
IMPORTANT
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The diameter of the molecules of matter are about

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

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