Veera Bala Rastogi and Shalini Mahajan Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Check Point 2

Author:Veera Bala Rastogi & Shalini Mahajan

Veera Bala Rastogi Science Solutions for Exercise - Veera Bala Rastogi and Shalini Mahajan Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Check Point 2

Attempt the practice questions on Chapter 7: Physical and Chemical Changes, Exercise 2: Check Point 2 with hints and solutions to strengthen your understanding. Science Booster solutions are prepared by Experienced Embibe Experts.

Questions from Veera Bala Rastogi and Shalini Mahajan Solutions for Chapter: Physical and Chemical Changes, Exercise 2: Check Point 2 with Hints & Solutions

HARD
7th CBSE
IMPORTANT
Science Booster>Chapter 7 - Physical and Chemical Changes>Check Point 2>Q 1

Carbon dioxide gas turns limewater _____.

HARD
7th CBSE
IMPORTANT
Science Booster>Chapter 7 - Physical and Chemical Changes>Check Point 2>Q 2

Iron filings on heating with sulphur form iron _____. (sulphide/ sulphate)

EASY
7th CBSE
IMPORTANT
Science Booster>Chapter 7 - Physical and Chemical Changes>Check Point 2>Q 3

Burning of petrol is a _____ change.

HARD
7th CBSE
IMPORTANT
Science Booster>Chapter 7 - Physical and Chemical Changes>Check Point 2>Q 5

Crystals of a substance are obtained from its _____ solution. (unsaturated / supersaturated)