MEDIUM
9th CBSE
IMPORTANT
Earn 100

Justify why water is a liquid and wood is a solid?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
What are the characteristics of the particles of matter?
MEDIUM
9th CBSE
IMPORTANT
What type of clothes should we wear in summer?
MEDIUM
9th CBSE
IMPORTANT
Why does ice cream appear colder than water at the same temperature?
MEDIUM
9th CBSE
IMPORTANT
Why does temperature remain constant during melting and boiling?
MEDIUM
9th CBSE
IMPORTANT
Why does evaporation cause cooling?
MEDIUM
9th CBSE
IMPORTANT
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
MEDIUM
9th CBSE
IMPORTANT
Arrange the following in the increasing order of intermolecular attractive forces: sodium chloride(s), water(l), sugar(s), alcohol(l) and carbon dioxide(g).
HARD
9th CBSE
IMPORTANT
Define matter. Write a short note on particulate nature of matter.