EASY
7th ICSE
IMPORTANT
Earn 100

Smog is a mixture of smoke and fog.

50% studentsanswered this correctly

Important Questions on Air and Atmosphere

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 1

Write two uses of nitrogen.

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 1
Write two uses of Oxygen.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 1

Write two uses of carbon dioxide.

MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 2
List the physical properties of oxygen.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 3
Write three differences between combustion and rusting.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 4
Write the word equations and chemical reactions for the reactions of potassium, phosphorus, sulphur and calcium with oxygen.
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 5
How can oxygen be prepared from potassium chlorate?
MEDIUM
7th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Chemistry>Chapter 8 - Air and Atmosphere>EVALUATION>Q 1
What is air pollution? Write the names of three air pollutants with their effects.