GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the Law of Conservation of Mass
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The fact that matter is not created or destroyed in any chemical or physical change.
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The fact that matter is created and destroyed in any chemical or physical change
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The law of conservation of mass states that in a chemical reaction mass is neither created nor destroyed. For example, the carbon atom in coal becomes carbon dioxide when it is burned. The carbon atom changes from a solid structure to a gas but its mass does not change.
Detailed explanation-2: -Conservation of Mass-Energy The law of conservation of mass is not always correct, however. Albert Einstein’s special theory of relativity, introduced in 1905, showed that mass and energy are equivalent, so mass can be converted into energy and vice versa.
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