Important Questions for Class 8 Science Chapter 18 - Pollution of Air and Water

Important questions for Class 8 Science Chapter 18 – Pollution of Air and Water provided here is a valuable resource while preparing for the exam. Solve these important questions to clear concepts related to the chapter. These important questions of Class 8 Science are best for revision purpose and also provide students to get an idea of the types of questions asked in exam. Students can score well by going through these important questions of Chapter 8 as it consists of all important topics related to Pollution of Air and Water.

Download Important Questions for Class 8 Science Chapter 18 – Pollution of Air and Water PDF by clicking below mentioned links.

Important Questions for Class 8 Science Chapter 18 – Pollution of Air and Water PDF

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CBSE Class 8 Science Chapter 18 MCQ Type Questions

1. Which of the following is used to purify the water containing high salt concentration?
(a) boiling
(b) UV radiation
(c) filtration
(d) reverse osmosis

2. _____ results in Pollution of water.
(a) oil refineries
(b) paper factories
(c) sugar mills
(d) all of these

3. _____ is not a greenhouse gas.
(a) Nitrogen
(b) Methane
(c) Water vapour
(d) Carbon dioxide

 

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