Define solvent. 

Important Questions on Matter and Water

MEDIUM

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q A

Define solution. 

MEDIUM

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q A

Under which conditions does a solute dissolve faster in the water?

MEDIUM

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q A

Differentiate between soluble and insoluble substances.

MEDIUM

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q A

What are the different methods of purification of water?

EASY

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q B

A solute dissolves faster in cold water.

EASY

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q B

The molecules are packed very close to each other in solids. 

EASY

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q B

The process of cooling down a gas so that it becomes liquid is known as freezing.

EASY

4th CBSE

IMPORTANT

Start Up Science>Chapter 12 - Matter and Water>Exercise Time>Q B

Filtration is the safest method of water purification.