MEDIUM
7th CBSE
IMPORTANT
Earn 100

Sort the change shown in the following image as physical or chemical changes.

Question Image

50% studentsanswered this correctly

Important Questions on Chemicals and Chemical Changes

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Let's Get Started>Q 1

Observe the following images and name the substance that each of these articles/objects is made up of.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Let's Get Started>Q 2

Observe the following images and name the substance that each of these articles/objects is made up of.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Let's Get Started>Q 3

Observe the following images and name the substance that each of these articles/objects is made up of.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Let's Get Started>Q 4

Observe the following images and name the substance that each of these articles/objects is made up of.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Let's Get Started>Q 5

Observe the following images and name the substance that each of these articles/objects is made up of.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Discuss

Look at the pictures given below and identify the phenomena.

Question Image

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Revise and Recall>Q 1
The smallest unit of matter is _____. 
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 4 - Chemicals and Chemical Changes>Revise and Recall>Q 2

The particle formed when two or more atoms are chemically bound together _____.