Iwill give more than 5 points : )
and ill give

check the attachment i included : )

The mass has escaped into a gas which you can not see so the law stays true.

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

Rn in the right answer