Manipur Board Solutions for Chapter: Pure Substances and Mixtures, Exercise 4: Let us answer these:

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Manipur Board Science Solutions for Exercise - Manipur Board Solutions for Chapter: Pure Substances and Mixtures, Exercise 4: Let us answer these:

Attempt the practice questions on Chapter 2: Pure Substances and Mixtures, Exercise 4: Let us answer these: with hints and solutions to strengthen your understanding. Science for Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from Manipur Board Solutions for Chapter: Pure Substances and Mixtures, Exercise 4: Let us answer these: with Hints & Solutions

EASY
9th Manipur Board
IMPORTANT

Explain why the following is an example of physical change?

Sublimation of iodine.

MEDIUM
9th Manipur Board
IMPORTANT

Explain why the following is an example of chemical change?

Charring of sugar.

MEDIUM
9th Manipur Board
IMPORTANT

Explain why the following is an example of chemical change?

Burning of charcoal.

.

MEDIUM
9th Manipur Board
IMPORTANT

Explain why the following is an example of chemical change?

Digestion of food.

MEDIUM
9th Manipur Board
IMPORTANT

What is meant by saying metals are malleable and ductile?

EASY
9th Manipur Board
IMPORTANT

Name one solid, one liquid, and one gaseous non-metal.

MEDIUM
9th Manipur Board
IMPORTANT

Classifying the following into elements, compounds and mixture.

Graphite, brass, chalk, air, petroleum, seawater, milk, zinc, sodium carbonate.

 

MEDIUM
9th Manipur Board
IMPORTANT

List three characteristics by which compounds can be distinguished from mixtures.