A C Sehgal Solutions for Exercise 3: EXERCISES
A C Sehgal Science Solutions for Exercise - A C Sehgal Solutions for Exercise 3: EXERCISES
Attempt the practice questions from Exercise 3: EXERCISES with hints and solutions to strengthen your understanding. Living Science 8 solutions are prepared by Experienced Embibe Experts.
Questions from A C Sehgal Solutions for Exercise 3: EXERCISES with Hints & Solutions
Most liquids that conduct electricity are the solutions of _____, _____, _____.
Mercury is a liquid and conducts electricity. Do you think it is an electrolyte?
Solid copper sulphate does not conduct electricity, but when it is dissolved in water, it does conduct electricity. Why?
Copper conducts electricity through electrons, whereas salt solution conducts electricity through ions. Do you agree?
Why should you not touch electrical appliances with wet hands?
After electroplating a metal spoon with copper, a student interchanged the connections of the copper plate and the spoon. What do you think will happen now?
We should not try to put out a fire in an electrical appliance by pouring water on it. Why?
Instead of taking the trouble of electroplating metals with chromium for making car parts, taps, cycle parts, etc., why are these objects not made of chromium itself?
