Question

it is said that change in the state of matter can be brought by any following ways first increase in temperature

Answer 1

ya we can change the state of matter by raising the temperature and by lowering the temperature ...
or by excess raising the temperature ..

by raising get liquid

by excess raising get vapour

and, by lowering get solid ..

hope it helps !!!

Answer 2

Yes Increase in temprature is Very important factor to chamge state..

If we inc the temp. of ice it FROZEN or we can say RIGID particles get KINETIC ENEGY FROM HEAT and they start moving and vibrating leading to Conversion of ICE TO LIQUID..

SIMILARILY...
When the liquid is heated its particles get more energy and convert the liquid into the gas