MEDIUM
6th ICSE
IMPORTANT
Earn 100

State the contributions of John Dalton towards the development of Chemistry. 

Important Questions on Introduction to Chemistry

MEDIUM
6th ICSE
IMPORTANT
Differentiate between the terms, food preservatives and food processing with appropriate examples. 
HARD
6th ICSE
IMPORTANT

Explain the terms 'cosmetics' and 'talc'. Name a few main ingredients in cosmetics and the role they play. 

HARD
6th ICSE
IMPORTANT

Differentiate between natural fibres and synthetic fibres. State what is Terylene. State some of its characteristic properties which make it suitable for commercial use. 

HARD
6th ICSE
IMPORTANT
Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol. 
HARD
6th ICSE
IMPORTANT
Give a comparative difference between soaps and detergents. Give a reason why detergents have an advantage over soap. 
HARD
6th ICSE
IMPORTANT
State what are 'stain removals'. Name three important stain removers and give their prime functions. 
EASY
6th ICSE
IMPORTANT

The branch of science which deals with the different forms of energy e.g. light and sound. 

EASY
6th ICSE
IMPORTANT

The branch of chemistry which includes the study of specific carbon compounds built up of mainly carbon and hydrogen.