Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Which of the following is the best example of law of conservation of mass
A
12 g of carbon combines with 32 g of oxygen to form 44 g of 
B
When 12 g of carbon is heated in a vacuum there is no change in mass
C
A sample of air increases in volume when heated at constant pressure but its mass remains unaltered
D
The weight of a piece of platinum is the same before and after heating in air
Text Solution
Verified by ExpertsThe correct answer is:
A
of carbon combines with 
of oxygen to form 
of carbon dioxide.
Mass of reactants and products should be equal to each other, in accordance with the law of conservation of mass.
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