Question

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Answer 1

Answer:

4.physical changes are changes in which state ,color ,appearance ,temperature will be not change.

b .chemical change: change in state ,appearance, evolution of heat ,color change.

Explanation:  a. matter anything occupies space and have mass.

     b.  three states of matter: solid liquid and gas .

3.liquid is a state  occupy space as the shape of any container, mass will change or have no mass .