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Question 6 / 20

Which statement is always true about conservation of matter?
A. The mass of a system does not change during a chemical reaction
B. If a solid forms, the mass of a system increases
C. If a gas forms, the mass of a system decreases
D. The mass of a system changes when a substance changes from liquid to gas, but it does not change in
a chemical reaction
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Answer 1

A. The mass of a system does not change during a chemical reaction

Step-by-step explanation:

Correct Answer

Answer 2

i gussss D is the answer may be