Answer :
When a substance is heated and leads to increase in volume of particles , the mass of the substance being heated stays same.
What is Law of conversation of mass ?
The Law of conversation of mass asserts that the mass remain the same during heating or chemical reaction.
In other word, the law states that a mass in an isolated system will neither be created nor destroyed by chemical reactions or physical transformations.
In conclusion, when a substance is heated and leads to increase in volume of particles , the mass of the substance being heated will stays same.
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