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Paheli had heard that rain water is as g...

Paheli had heard that rain water is as good as distilled water. So, she collected some rain water in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons?

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Rainwater is like a distilled water but some impurities are mixed in from the atmosphere. These impurities mke the rainwater conducting. This could be the reason for the deflection of compass needle.
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PEARSON IIT JEE FOUNDATION-CHEMICAL EFFECTS OF ELECTRIC CURRENT-CLASSROOM CORNER (SHORT ANSWER TYPE QUESTIONS)
  1. The conventional direction of an electric current is

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  2. Prepare a list of objects around you that are electroplated.

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  3. Paheli had heard that rain water is as good as distilled water. So, sh...

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  4. In the process for purification of copper, A thin plate of pure copper...

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  5. In case of a fire, before the firemen use the water hoses, they shut o...

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  6. A child staying in a coastal region tests the drinking water and also ...

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  7. Is it safe for the electrician to carry out electrical repairs outdoor...

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  8. What is the direction of electric current or conventional current?

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  9. Why is it dangerous to use electrical appliances around water?

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  10. How does current flow in a circuit?

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  11. What is the purpose of the plastic coating on the wire?

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  12. Explain why vinegar is a good source of conductor?

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  13. Explain these points: Why does current flow from positive to negativ...

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  14. Explain these point: Why does current flow in the opposite direction...

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  15. What happens when electric current is passed through water?

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  16. Explain the below points: What is the electric current?

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  17. Explain the below points: Do electrons and current flow in the same ...

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  18. List three uses of electrolysis.

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  19. Give the chemical equation for the electrolysis of water.

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  20. Give the chemical equation for the electrolysis copper chloride.

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