Question

3.
Name three liquids, which
when tested in the manner
shown in Fig.14.9, may
cause the magnetic needle
to deflect.
​

Answer 1

Ans. Tap water, hydrochloric acid, sodium hydroxide.tap

Answer 2

Answer:

sea water, solution of HCl and sulphuric acid in water, vinegar .

Explanation:

these are good conductor of electricity. hence if tested in the manner shown here may cause the magnetic needle to deflect.