CBSE Class 8 - Purification and Conservation of Water Videos
- 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?
- 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?
Queries asked on Sunday & after 7 pm from Monday to Saturday will be answered after 12 pm the next working day.