E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Exercises

Author:E Doris James, Vandana Tirath, Anton Siromani & Kiran Banerji

E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Exercises

Attempt the free practice questions from Exercise 2: Exercises with hints and solutions to strengthen your understanding. New Science Ahead 8 solutions are prepared by Experienced Embibe Experts.

Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Exercise 2: Exercises with Hints & Solutions

EASY
8th CBSE
IMPORTANT

The only non-metal that is a conductor of electricity is _____.

EASY
8th CBSE
IMPORTANT

Tap water conducts electricity because it has dissolved _____ in it.

EASY
8th CBSE
IMPORTANT

Electrolytes contain positive and negative _____(atoms/ions).

EASY
8th CBSE
IMPORTANT

Liquids that do not conduct electricity are called _____ (electrolytes/non-electrolytes).

EASY
8th CBSE
IMPORTANT

The process used to purify metals is called

HARD
8th CBSE
IMPORTANT

How are the chemical effects of electric current put to use by humans?

MEDIUM
8th CBSE
IMPORTANT

What are the uses of electroplating?

MEDIUM
8th CBSE
IMPORTANT

Describe how you electroplate an iron spoon with copper.