NCERT VIII - Sciences

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?



rainwater may be contaminated by impurities suspended in the atmosphere though it is as pure as distilled water.These impurities make the rainwater conducting.Thus the compass needles show the deflection.