Water obtained from tube wells is usually ______ water.

रिकाम्या जागा भरा

Water obtained from tube wells is usually Impure water.

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पाठ 3: Matter around Us - Evaluation [पृष्ठ ५१]

पाठ 3 Matter around Us
Evaluation | Q II. 6. | पृष्ठ ५१

State the general properties of a solid.

Fill in the blank:

Liquids have no definite ............

Write whether the following statement is true or false.
All solids, on heating, first change to the liquid and then to the gaseous state always.

Match the following

Column A	Column B
(a) Solids	(1) Can flow in all directions.
(b) Sublimation	(2) The temperature at which a liquid changes into its gaseous state.
(c) Boiling point	(3) Any number of free surfaces.
(d) Gases	(4) Gaps between particles.
(e) Intermolecular space	ro(5) Change of state fm solid to gas.

Give reason:

A drop of ink added to water in a glass turns whole water blue.

What is the relation between intermolecular space and intermolecular force ?

How will you prove by an experiment that solids occupy space ?

Give reasons for the following:

Sugar can be distinguished from talcum powder using water.

Define the Liquid and give two examples.

State the term which refers to the conversion of a substance on heating from.