HARD
9th CBSE
IMPORTANT
Earn 100

The ‘seawater’ can be classified as a homogeneous mixture as well as a heterogeneous mixture? Comment.

Important Questions on Is Matter Around Us Pure

HARD
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Short Answer Type Questions>Q 45
Which of the following do not exhibit the Tyndall effect?
 Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 46
What is a physical change? Give two examples of physical changes.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 46
What is a chemical change? Give two examples of chemical changes.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 47
Give the main differences between physical changes and chemical changes.
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 47
Identify whether the following is a chemical change or a physical change?
A glass bottle breaking is _____ change. (Chemical/Physical)
MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 47

Identify whether the following are chemical change or physical change? Give reason.

Coal burning in air.

EASY
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 47

Identify whether the following is a chemical change or physical change?

Making a cake.

MEDIUM
9th CBSE
IMPORTANT
Science for Ninth class Part 2 Chemistry>Chapter 2 - Is Matter Around Us Pure>Long Answer Type Questions>Q 47
Identify whether the following is a chemical change or physical change? Give reason.
Wool being knitted into a sweater is a _____ change. (Chemical/Physical)