MEDIUM
9th CBSE
IMPORTANT
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Cooking of rice at higher altitudes is difficult because

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Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 1
What is dry ice?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 2
What is normal atmospheric pressure?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 3
Give two examples of diffusion.
EASY
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 4
The temperature at which the density of water is maximum is _____Co. (Temperature in number)
HARD
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 5
Name the factors that affect evaporation.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 6
With the help of an example, explain how diffusion of gases in water is essential.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 7
How is the high compressibility property of gas useful to us?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 1 - Matter in Our Surroundings>TEST YOUR SKILLS>Q 8
Liquids and gases can be compressed but it is difficult to compress solids. Why?