Namrata and S P Singh Solutions for Chapter: Air and Atmosphere, Exercise 5: OBJECTIVE TYPE QUESTIONS

Author:Namrata & S P Singh

Namrata Chemistry Solutions for Exercise - Namrata and S P Singh Solutions for Chapter: Air and Atmosphere, Exercise 5: OBJECTIVE TYPE QUESTIONS

Attempt the free practice questions on Chapter 7: Air and Atmosphere, Exercise 5: OBJECTIVE TYPE QUESTIONS with hints and solutions to strengthen your understanding. Concise Chemistry Middle School for Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from Namrata and S P Singh Solutions for Chapter: Air and Atmosphere, Exercise 5: OBJECTIVE TYPE QUESTIONS with Hints & Solutions

EASY
7th ICSE
IMPORTANT

_____ is the most abundant inert gas present in the air.

EASY
7th ICSE
IMPORTANT

Oxides of sulphur and nitrogen combine with rain water to form _____ and _____ which cause _____.

EASY
7th ICSE
IMPORTANT

_____ and _____ are most common air pollutants.

EASY
7th ICSE
IMPORTANT

Oxygen occupies about _____ of air by volume.

EASY
7th ICSE
IMPORTANT

Fuel when used releases the least amount of pollutants in the air. 

EASY
7th ICSE
IMPORTANT

The natural way of adding oxygen to air which involves green plants is called

EASY
7th ICSE
IMPORTANT

Which one of the following is most likely to be corroded?