EASY
6th CBSE
IMPORTANT
Earn 100

Answer the question based on the diagram.

Predict the observation. Justify.

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Important Questions on Amazing Air

MEDIUM
6th CBSE
IMPORTANT

Answer the question based on the diagram.

Draw conclusions based on the observations.

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EASY
6th CBSE
IMPORTANT
How much volume of oxygen is present in 1000 L of air?
EASY
6th CBSE
IMPORTANT

What reaction is observed in the following test tube?

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EASY
6th CBSE
IMPORTANT
It is not advisable to use burning coal in winters in closed room. Why?