Question

Which statement is always true about conversation of matter?

The mass of a system does not change during a chemical reaction
If a solid forms the mass of a system increases
If a gas forms the mass of a system decreases
The mass of a system changes when a substance changes from liquid to gas, but it does not change in a chemical reaction

Answer 1

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

Step-by-step explanation:

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