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Q.

Which of the given process represent an example of the law of conservation of mass


 

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a

Boiling

b

Combustion

c

Heating

d

None

answer is B.

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Detailed Solution

Solution:

Concept: The Law of conservation of mass was proposed by Antoine Laurent Lavoisier.

According to the law of conservation of mass, the total mass of the products is equal to the total mass of the reactants.

The burning of wood obeys the conservation of mass as the burning of wood involves Oxygen, CO2, water vapor, and ashes.

Hence combustion is an example of an action that obeys the law of conservation of mass.


 

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