HARD
5th CBSE
IMPORTANT
Earn 100

What are the two types of impurities? Give example of each.

Important Questions on Air and Water

HARD
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q A
Mention two ways of separating soluble impurities from water.
HARD
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q A
Explain sedimentation and decantation.
HARD
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q A
How will you remove insoluble impurities from water through filtration.
HARD
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q A
What is distillation? Explain it with the help of a diagram.
EASY
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q B
_____ comprises almost 21 per cent of the earth’s atmosphere.
EASY
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q B
It is very important to consume _____ (dirty/clean) water to stay healthy.
EASY
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q C
Which of these gases comprises 78 per cent of the atmosphere?
EASY
5th CBSE
IMPORTANT
Start Up Science 5 Values and Life Skills Focused>Chapter 15 - Air and Water>Exercise Time>Q C
Air supports combustion because it contains _____.