ICSE Class 9: Know About Water Videos | Water

• what is permutic method how can it be used for softening hard water
• trivial name of water
• water is good conductor or bad conductor of electricity
• what are the charactristics of water  
• what does lather mean ?
• What about the impure water nature?   
• why does temperature in Mumbai and Chennai not fall as low as it does in Delhi ?
• Why is Water considered a compound?
• water exists in all three states. discuss .
• Give the properties of water responsible for controlling the temperature of our body.

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