Subrata Kumar Choudhury and Jibananda Paul Solutions for Chapter: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 6: EXERCISE
Author:Subrata Kumar Choudhury & Jibananda Paul
Subrata Kumar Choudhury Physical Science & Environment Solutions for Exercise - Subrata Kumar Choudhury and Jibananda Paul Solutions for Chapter: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 6: EXERCISE
Attempt the practice questions on Chapter 4: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 6: EXERCISE with hints and solutions to strengthen your understanding. PHYSICAL SCIENCE & ENVIRONMENT CLASS 9 solutions are prepared by Experienced Embibe Experts.
Questions from Subrata Kumar Choudhury and Jibananda Paul Solutions for Chapter: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 6: EXERCISE with Hints & Solutions
EASY
9th West Bengal Board
IMPORTANT
Di-electric constant of water is?
EASY
9th West Bengal Board
IMPORTANT
In absence of suspended impurities the bacteria and germs are totally killed by _____. (IR-rays / UV-rays)
EASY
9th West Bengal Board
IMPORTANT
What do you mean by softening of water?
EASY
9th West Bengal Board
IMPORTANT
De-ionised water is unsuitable for use medicinal purpose-why?
EASY
9th West Bengal Board
IMPORTANT
How water is polluted by household detergents and sewage?
EASY
9th West Bengal Board
IMPORTANT
What do you understand by water pollution?
EASY
9th West Bengal Board
IMPORTANT
Name the disease caused by (i) untreated water.
EASY
9th West Bengal Board
IMPORTANT
Name the disease caused by (ii) Mercury poisoned water.
