MEDIUM
9th CBSE
IMPORTANT
Earn 100

Define latent heat of fusion.

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 13
Out of solids and liquids which will have greater movement of molecules.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 14
Define sublimation.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 15
What happens when you pour some acetone on your palm?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 16
Will increase of surface area increase or decrease rate of evaporation?
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 17
What is fusion?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 18

Write heat or cool on the arrows in the following:

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MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 19
Will increase or decrease of pressure help to liquefy a gas?
EASY
9th CBSE
IMPORTANT
Modern's abc+ of SCIENCE CHEMISTRY FOR Class IX>Chapter 1 - Matter in Our Surroundings>Revision Exercise>Q 20
Which of the following are matter :
(i) Paper (ii) Ink (iii) Thought (iv) Pen (v) Smell.