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Solvent : The liquid in which the solute substance is dissolved

is called the solvent.

Solution : The combination of solute and solvent is called

the solution.

6. Some general properties of water are :

i) Water has no fixed shape. It takes the shape of the

container.

ii) Water has fixed volume.

iii) Water is not hard to touch in liquid form.

iv) Water flows from a higher level to a lower level.

C. Fill in the blanks with appropriate words.

1. chalk, wood 2. heavier 3. volume

4. Water 5. vessel

D. Write ‘T’ for true and ‘F’ for false statements.

1. F 2. T 3. T 4. F 5. T

E. Differentiate between the following by giving examples.

1.

Soluble Substances Insoluble Substances

The solid substances which The solid substances
can be dissolved in a which can not be dissolved
particular solvent are known in a particular solvent
as soluble substances. For are known as insoluble
example; salt, sugar etc. substances. For example;

wax, sand, oil etc.

2.

Miscible liquids Immiscible liquids

Some liquids which mix Some liquids which do not

easily with water are mix with water are called

called miscible liquids. For immiscible liquids. For

example; milk, ink, lemon example; petrol, kerosene,

juice etc. mustard oil etc.

3.

Floating objects Sinking objects

The objects that are lighter The objects that are heavier
than water float on the than water sink into water.
surface of water. They are They are called sinking
called floating objects. For objects. For example; iron,
example; a leaf, ice, paper stone, marble etc.
etc.

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