MEDIUM
9th CBSE
IMPORTANT
Earn 100

When heat is constantly supplied by a burner to boiling water, then the temperature of water during vaporisation _____.

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Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 69
The latent heat of fusion of ice is:  
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 70
The latent heat of vaporisation of water is:
HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 71
Which one of the following set of phenomena would increase on raising the temperature?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 72
Which of the following represents the suitable condition for the liquefaction of gases?
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 73
During summer days, water kept in an earthen pot (pitcher) becomes cool because of the phenomenon of:
HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 74
On converting 25 °C, 38 °C and 66 °C to the Kelvin scale, the correct sequence of temperatures will be:
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 75
The conversion of a solid into vapours without passing through the liquid state is called:
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 1 - Matter in Our Surroundings>Multiple Choice Questions (MCQs)>Q 76
The evaporation of water increases under the following conditions: