What is matter? Write two properties of solids and two properties of liquids.
Q. (a) What is matter? Write two properties of solids and two properties of liquids.
(b) Ramesh took two beakers A and B containing hot water and cold water respectively. In each beaker he dropped a crystal of copper sulphate. He kept the beakers undisturbed. After sometime what did he observe ? Why ?
Ans. (a) Anything that has mass and occupies space and has volume.
Properties of solids: Definite shape, distinct boundaries, fixed volume and negligible compressibility.
Properties of liquids : No fixed shape, definite volume, not rigid and can flow.
(b) Water in beaker A becomes coloured faster, because at higher temperature, kinetic energy of particles is more which causes diffusion faster.
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