English Medium Class 9 - CBSE Question Bank Solutions for Science

What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?

What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?

Name the property of one of the constituents which can be used to separate a mixture of salt and iodine

Name the property of one of the constituents which can be used to separate a mixture of salt and iodine

What difference in the property of two miscible liquids enables their separation by fractional distillation ?

What difference in the property of two miscible liquids enables their separation by fractional distillation ?

State whether the following statement are true or false :

Alcohol can be separated from a mixture of alcohol and water by a separating funnel.

State whether the following statement are true or false :

Alcohol can be separated from a mixture of alcohol and water by a separating funnel.

State whether the following statement are true or false :

Salt and water can be recovered from an aqueous salt solution by the process of evaporation.

State whether the following statement are true or false :

Salt and water can be recovered from an aqueous salt solution by the process of evaporation.

Name the source from which nitrogen and oxygen are obtained on a large scale.

Name the source from which nitrogen and oxygen are obtained on a large scale.

Name the process by which the various gases of the air are separated.

Name the process by which the various gases of the air are separated.

A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?

A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?

Name the process which can be used to recover salt from an aqueous salt solution.

Name the process which can be used to recover salt from an aqueous salt solution.

Name the process which can be used to recover salt from an aqueous salt solution.

Name the process which can be used to recover salt from an aqueous salt solution.