1.

ęą°state and explain laws of chemical combination.

Answer»

According to this law,“Matter can neither be created nor destroyed in a chemical reaction”.

For any chemical change total mass of active reactants are always equal to the mass of the product formed.

It is a derivation of Dalton’s atomic theory ‘atoms neither created nor destroyed’.

Total masses of reactants = Total masses of products + Masses of unreacted reactants.



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