Question

6. Give reasons for the following:
(i) Matter exists in three different states
(ii) Liquids do not have a definite shape.
(iii) Gases do not have definite volume.
(iv) There is no increase in volume on adding sugar into definite volume of water.
(v) Water flows on the floor but a chair remains as it is.
(vi) Solids have definite shape and volume
(vii) Solids and liquids
co-exist at their melting point
7. What is interconversion of states of matter? How do different states of water interconvert on heating
and cooling? Explain briefly.​

Answer 1

Answer:

2)they dont have defenite shape because of less force of attraction betweer molecules

4)this is because volume is the space occupied by an object/thing the mass will change but not volume

5)because water particles have spaces between them which enables them to move a little freely and they are in constant random motion while chair's particles cant move at all

6)because their particles are tightly packed in fixed positions

(idk answer of 1,3 n 7)