SELECT * FROM question_mgmt as q WHERE id=6677 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=377 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Chemical Effects of Electric Current a child staying in a coastal region tests the drin

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?

Answer:

The compass needle deflects more in the case of sea water because it contains a large amount of dissolved salt which makes it a good conductor of electricity than the drinking water.


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  • Answered by Ekta Mehta
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  • Answered by Ekta Mehta
  • 4 months ago

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