Subrata Kumar Choudhury and Jibananda Paul Solutions for Chapter: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 4: 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 4: EXERCISE

Attempt the practice questions on Chapter 4: Atomic Structure; Physical and Chemical Properties of Matter, Exercise 4: 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 4: EXERCISE with Hints & Solutions

MEDIUM
9th West Bengal Board
IMPORTANT

Acetic acid is a monobasic acid. Explain.

HARD
9th West Bengal Board
IMPORTANT

Starting from sulphur how will you prepare H2SO4(give reactions only)?

MEDIUM
9th West Bengal Board
IMPORTANT

Give two examples of practical applications of neutralisation.

HARD
9th West Bengal Board
IMPORTANT

Why the mass of washing soda decreases when exposed to air?

HARD
9th West Bengal Board
IMPORTANT

Phosphorous is a dibasic acid, although it contains three hydrogen atoms. Explain.

HARD
9th West Bengal Board
IMPORTANT

What are acid anhydrides? Give an example of a mixed acid anhydride.

HARD
9th West Bengal Board
IMPORTANT

Concentrated H2SO4 is acts as both dehydrating as well as a drying agent. Give one example in each case.