EASY
9th CBSE
IMPORTANT
Earn 100

What produces more severe burns, boiling water or steam?

Important Questions on Test Paper 1

MEDIUM
9th CBSE
IMPORTANT
Define sublimation with example.
EASY
9th CBSE
IMPORTANT
Define evaporation with examples.
MEDIUM
9th CBSE
IMPORTANT
Define latent heat of fusion. Give its value for ice.
EASY
9th CBSE
IMPORTANT
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
MEDIUM
9th CBSE
IMPORTANT
For any substance, why does the temperature remain constant during the change of state?
HARD
9th CBSE
IMPORTANT
How does the water kept in an earthen pot (matka) become cool during summer?
MEDIUM
9th CBSE
IMPORTANT
Why are we able to sip hot tea or milk faster from a saucer rather than from a cup?
MEDIUM
9th CBSE
IMPORTANT
What are the characteristics of the particles of matter?