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A Child Staying in a Coastal Region Tests the Drinking Water and Also the Seawater with His Tester. He Finds that the Compass Needle Deflects More in the Case of Seawater. Can You Explain the Reason? - Science

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Question

A child staying in a coastal region tests the drinking water and also the seawater with his tester. He finds that the compass needle deflects more in the case of seawater. Can you explain the reason?

Solution

Sea water contains more dissolved salts than the drinking water. Hence, it is more conducting than the drinking water. Because of this reason, the compass needle deflects more in seawater than in the drinking water.

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APPEARS IN

 NCERT Solution for Science Textbook For Class 8 (2018 (Latest))
Chapter 14: Chemical Effects of Electric Current
Q: 8 | Page no. 181
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Solution A Child Staying in a Coastal Region Tests the Drinking Water and Also the Seawater with His Tester. He Finds that the Compass Needle Deflects More in the Case of Seawater. Can You Explain the Reason? Concept: Conductor of Electricity: Liquid.
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