MEDIUM
9th Manipur Board
IMPORTANT
Earn 100

For any substance, why does the temperature remain constant during the change of state?

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 sublimation? Name two substances that undergo sublimation.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these>Q 2
Name one property that is shown by ammonium chloride but not by sodium chloride.
MEDIUM
9th Manipur Board
IMPORTANT
Science for Class 9>Chapter 1 - Nature of Matter>Let us answer these>Q 3
Explain why naphthalene balls kept inside our cupboard disappear over a period of time?
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?