English Medium Class 9 - CBSE Question Bank Solutions for Science

How would you confirm that a colourless liquid given to your is pure water ?

How would you confirm that a colourless liquid given to your is pure water ?

Define a compound. Give two points of evidence to show that sodium chloride is a compound.

Define a compound. Give two points of evidence to show that sodium chloride is a compound.

State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.

State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.

You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?

You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?

Name a non-metal :

1. which is lustrous
2. which is required for combustion
3. whose one of the allotrophic forms is a  good conductor of electricity. Name the allotrope.
4. other than carbon which shows allotropy
5. which is known to form the largest number of compounds

Name a non-metal :

1. which is lustrous
2. which is required for combustion
3. whose one of the allotrophic forms is a  good conductor of electricity. Name the allotrope.
4. other than carbon which shows allotropy
5. which is known to form the largest number of compounds

Name a metal which can be easily cut with a knife.

Name a metal which can be easily cut with a knife.

Name a metal which forms amalgams.

Name a metal which forms amalgams.

Name a metal which has no fixed shape.

Name a metal which has no fixed shape.

Name a metal which has a low melting point.

Name a metal which has a low melting point.

Name a metal which is yellow in colour.

Name a metal which is yellow in colour.