Which ancient Indian philosopher suggested that all matter is composed of very small particles? What name was given by him to these particles?

Which postulate of Dalton’s atomic theory is the result of law of conservation of mass given by Lavoisier?

Which part of the Dalton’s atomic theory came from the law of constant proportions given by Proust?

Name any two laws of chemical combination.

‘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?