EASY
9th CBSE
IMPORTANT
Earn 100

Arrange solid, liquid and gas in the increasing order of intermolecular attractive forces.

Important Questions on Matter in Our Surroundings

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 8

What are the characteristics of the particles of matter?

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 9

A rubber band changes shape when we stretch it. Will you consider it solid? Give reason.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 10
A sponge gets compressed when we press it. Will you consider it solid? Give reason.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 11
Arrange salt(s), sugar(s), water(l), ethanoic acid(l) and carbon monoxide(g) in the increasing order of intermolecular attractive forces.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 12

What are the factors which govern the states of matter?

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 13

Define the melting point and boiling point.

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 14

Define condensation and sublimation.

HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 1 - Matter in Our Surroundings>EXERCISES>Q 15

Why temperature remains constant during melting and boiling?