EASY
9th CBSE
IMPORTANT
Earn 100

Name the scientist who gave law of constant proportions.

Important Questions on Atoms and Molecules

EASY
9th CBSE
IMPORTANT

Name the law of chemical combination which was given by Lavoisier.

EASY
9th CBSE
IMPORTANT

Name the law of chemical combination which was given by Proust.

EASY
9th CBSE
IMPORTANT
Name the scientist who gave atomic theory of matter.
EASY
9th CBSE
IMPORTANT
Which postulate of Dalton's atomic theory is the result of law of conservation of mass given by Lavoisier?
EASY
9th CBSE
IMPORTANT
Which part of the Dalton's atomic theory came from the law of constant proportion given by Proust? 
EASY
9th CBSE
IMPORTANT
Which ancient Indian philosopher suggested that all the matters are composed of very small particles? What name was given by him to these particles?
EASY
9th CBSE
IMPORTANT
Name any two laws of chemical combination.
EASY
9th CBSE
IMPORTANT
'If 100 grams of pure water taken from different sources is decomposed by passing electricity, 11 grams of hydrogen and 89 grams of oxygen are always obtained' which chemical law is illustrated by this statement?