Physical Changes

IMPORTANT

Physical Changes: Overview

This topic covers concepts, such as, Changes around Us, Physical Changes, Dissolving Sugar in Water & Melting of Wax etc.

Important Questions on Physical Changes

EASY
IMPORTANT

Which of the following are a type of physical change.

MEDIUM
IMPORTANT

Which of the following is a physical change.
 

MEDIUM
IMPORTANT

Is sugar dissolving in water a physical change or chemical change?

EASY
IMPORTANT

Changes in which only _____ properties of a substance change are called physical changes.

EASY
IMPORTANT

There is no change in weight during physical change.

EASY
IMPORTANT

Physical changes are permanent and cannot be reversed.

EASY
IMPORTANT

Sublimation of camphor is a physical or chemical change. Explain.

MEDIUM
IMPORTANT

Which of the following is a physical change?

HARD
IMPORTANT

Differentiate between:

Reversible and Irreversible change.

EASY
IMPORTANT

 Evaporation is non-reversible in case of water.

EASY
IMPORTANT

The expansion and contraction of metals observed after heating and cooling them is a 

EASY
IMPORTANT

The common salt is obtained from sea water by the process of _____.

EASY
IMPORTANT

Which of the following examples indicate the reversible physical changes?

EASY
IMPORTANT

Which of the following situations are the examples of the physical change?

EASY
IMPORTANT

The tearing of a paper is a _____ change.

EASY
IMPORTANT

Which of the following characteristics define the physical changes in a matter?

EASY
IMPORTANT

Identify whether the activity given below shows physical (P) or chemical (C) change. 

Question Image

EASY
IMPORTANT

Identify whether the activity given below shows physical change or chemical change. Write P for physical change and C for chemical change.

Question Image

MEDIUM
IMPORTANT

Take a tumbler containing water. Place a blade horizontally. It floats. Place the same blade perpendicular to the surface of the water. See what happens.

Question Image 

MEDIUM
IMPORTANT

List the objects with less and higher density.

Less 

Density

Oil          

High

Density

Water