ICSE ICSE Class 7 - CISCE Question Bank Solutions for Chemistry

Name the following:

A metal used in packaging.

Name the following:

The chemical compound responsible for the green deposit on the surface of articles of copper.

Name the following:

A metal used in flexible pipes.

Name the following:

A halogen which is a solid at room temperature.

State the utility of carbon dioxide for manufacture of food by plants.

State its role in warming the earth’s environment and in excess resulting in global warming.

State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.

Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.

Define:- Atom

Define:- Molecule

Define:- Radicals

Write the names of the elements present in the following compound.

Common salt

Write the names of the elements present in the:- 

Ammonia

Write the names of the elements present in the :- 

Sulphuric acid

Write the names of the elements present in the:- 

Glucose

Write the names of the elements present in the:-

Sodium hydroxide

Write the names of the elements present in the:-

Acetic acid

What does 2C0₂ represent ?

What does 2H₂S  represent ?

What does 5H₂S0₄ represent ?