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Chemistry
Which of the following is the best example of law of conservation of mass?
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Q. Which of the following is the best example of law of conservation of mass?
Some Basic Concepts of Chemistry
A
$12 g$ of carbon combines with $32 g$ of oxygen to form $44 g$ of $CO_2$
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
Solution:
Correct answer is (a) $12 g$ of carbon combines with $32 g$ of oxygen to form $44 g$ of $CO_2$