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

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Answer

The magnetic needle will deflect if there is current passing through it.

And current will pass through the solution if it is a good conductor of electricity.

 

We know that Acids, Bases and Salt are good conductors of electricity.

 

So, 3 liquids can be

  • Lemon Juice
  • Soap Water
  • Salt Water
  1. Class 8
  2. Chapter 14 Class 8 - Chemical Effects Of Electric Current

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CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.