EASY
9th CBSE
IMPORTANT
Earn 100

Why does our palm feel cold when we put some acetone or petrol or perfume on it?

Important Questions on Test Paper 1

MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 4
For any substance, why does the temperature remain constant during the change of state?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 1
How does the water kept in an earthen pot (matka) become cool during summer?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 2
Why are we able to sip hot tea or milk faster from a saucer rather than from a cup?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 3
What are the characteristics of the particles of matter?
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 4
Draw a sketch for an experimental set-up for sublimation.
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 5
Tabulate any three differences in the characteristics of states of matter.
HARD
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 6
Why does ice cream appear colder than water at the same temperature?
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE CHEMISTRY 9>Chapter 6 - Test Paper 1>Test Paper 1>Q 1
Draw the molecular models of solid, liquid and gas.