AP BIOLOGY

ECOLOGY

CHEMICAL CYCLES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Law of conservation of mass states that
A
matter is neither created nor destroyed
B
matter is destroyed
C
matter is created
D
matter does not change
Explanation: 

Detailed explanation-1: -The Law of Conservation of Mass dates from Antoine Lavoisier’s 1789 discovery that mass is neither created nor destroyed in chemical reactions. In other words, the mass of any one element at the beginning of a reaction will equal the mass of that element at the end of the reaction.

Detailed explanation-2: -The law of conservation of mass states that matter can neither be created nor be destroyed in a chemical reaction, i.e. mass before and after the chemical reaction is same.

Detailed explanation-3: -The law of conservation of energy states that energy can neither be created nor destroyed-only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it’s added from the outside.

Detailed explanation-4: -The Law of Conservation of Matter says that the amount of matter stays the same, even when matter changes form. Sometimes it may seem that matter disappears during a science experiment, but this law tells us that matter cannot magically appear or disappear, it simply changes from one form to another.

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