CBSE Class 8 - Purification and Conservation of Water Videos
Conservation of Water
This video explains ways to conserve water.
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Air Pollution
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Air Pollution
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Global Warming
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Water Pollution
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Water Pollution
- List some of the common household method which can be used to purify water.
- How is drinking water purified by using chemical method?
- How boiling helps in the purification of water?
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Which purification methods are shown in the figures given below:
- How water pollution control helps in the conservation of energy?
- What type of organisms is present in water contaminated with sewage?
- Name a popular household filter which is used to purify the water?
- Give the sequence of the methods followed in purification of water supplied to homes?
- What is meant by chlorination?
- What are the different physical and chemical methods to make water safe for drinking at home?
