1.

If a substance is heated or cooled, the change in mass of that substance is: (a) positive (b) negative (c) zero (d) none of the above

Answer»

Correct answer is (c) Zero

The mass of a substance is constant according to the law of conservation of mass. It is independent of temperature change. Thus the change in the mass of a substance heated or cooled is zero.

correct option is

c) zero


Discussion

No Comment Found