MEDIUM
9th Manipur Board
IMPORTANT
Earn 100

Explain why naphthalene balls kept inside our cupboard disappear over a period of time?

Important Questions on Nature of Matter

MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these>Q 1
What is dry ice? Why it is so called?
HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these>Q 2
How does applying pressure help in the liquefaction of a gas?
HARD
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these>Q 3
Suggest a method to liquefy atmospheric gases.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these:>Q 1
Why do we perspire on a hot day?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these:>Q 2
How does the water kept in an earthen pot becomes cool during summer?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these:>Q 3
Why are we able to sip hot tea or milk faster from a saucer rather than from a cup?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these:>Q 4
Why do people prefer to use cotton clothes in summer? Why we feel cool and comfortable under a tree than under a roof on a sunny day?
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these:>Q 5
What are the factors which affect evaporation?