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Do you find any relation between pH and ...

Do you find any relation between pH and hardness of water?

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VGS PUBLICATION-BRILLIANT-NOT FOR DRINKING NOT FOF BREATHING-EXERCISE
  1. Why do we feel cooler after sweating ?

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  2. When we go on a busy road, feel uneasy even when we close nose with a ...

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  3. Do you find any relation between pH and hardness of water?

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  4. Which water sample is colourless?

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  5. Which water sample is suitable for drinking and why ?

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  6. Do you find any change in colour and smell of water in some water samp...

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  7. Which water sample of your collection is basic in nature ?

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  8. Are there any visible pollutants in the water sample ?

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  9. What will happen if harmful organisms or substances enter your body? H...

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  10. Observe this pollution certificate, try to find out the answers for fo...

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  11. Observe this pollution certificate, try to find out the answers for fo...

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  12. Observe this pollution certificate, try to find out the answers for fo...

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  13. Observe this pollution certificate, try to find out the answers for fo...

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  14. Observe this pollution certificate, try to find out the answers for fo...

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  15. Why there is a need of pollution under control certificate?

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  16. Observe this pollution certificate, try to find out the answers for fo...

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  17. Observe this pollution certificate, try to find out the answers for fo...

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  18. Observe this pollution certificate, try to find out the answers for fo...

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  19. What is emission test?

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  20. Observe this pollution certificate, try to find out the answers for fo...

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