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?
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.
Electric current produces magnetic effect which causes deflection of the magnetic needle of a compass. So, when the free ends of a tester are dipped into a solution which is...
(i) Test with NaHCO3 solution in water'
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53, Banjara Hills
Hyderabad
Date: June 20, 20xx
The Sales Manager,
‘Clear Vision’,
Hyderabad.
Subject: Complaint of faulty display of LED TV.
Dear Sir,
I had purchased an Awesome LED TV of 40 inches on 15th December, 2017....
No, I will not be able to manage without drinking water for two days. Water is essential for life. The water we drink is used in various metabolic activities within...