Q.

Dalton’s proposed atomic theory which is based on some postulates. Which postulate of this theory is the result of law of conservation of mass?

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a

Atoms can neither be created nor destroyed

b

Each element is composed of extremely small particles called atoms

c

All the atoms of a given element are identical

d

During chemical combination, atoms of different elements combine in simple ratios

answer is A.

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Detailed Solution

As per Dalton’s atomic theory, the statement “atoms can neither be created nor destroyed” is the result of law of conservation of mass.

Ex: C  +  O2  CO2

Here, both reactant and product side no. of atoms of each kind should be same. 

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