a teacher asked his class if you collect rainwater in a clean glass tumbler and test it will the middle of the tester show deflection 18 students Areas where is 12 student said no how many wrong answers did the teacher get?
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Rain water contains dissolved salts. This makes it a conducting solution. There are no dissolved salts present in the distilled water. Hence, rain water can allow electricity to pass through it while distilled water cannot.
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Answer:
Rainwater is pure water which is an insulator but it gets mixed with air pollutants like sulphur dioxide and nitrogen oxides and form acidic solution, which is a good conductor of electricity. So, the compass needle showed deflection.
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