Question

2. The appropriate unit to express the volume of a swimming tank is litre.

True ( )

False ( )

3. The mass per unit volume of a substance is called its density.

True ( )

False ( )

1. A square board of side 5 cm has an area of of :

10cm² ( )

55cm² ( )

25cm² ( )

25m² ( )

2. The formula for calculating the volume of a cube is:

l² ( )

l³ ( )

lbh ( )

lbh² ( )

3. When liquid is heated, it expands comparatively :

more than solids ( )

less than gas ( )

less than solid ( )

first or second ( )

4. In order to find the density of a solid we have to find its :

mass and area ( )

weight and volume ( )

weight and area ( )

mass and volume ( )

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Answer 1

Answer:

2) false because volume is expressed in meter cube (m^3). , 3) true. , 1)the area is 25 cm^2. , 2) volume of cube is l^3. , 3) both first and second., 4) mass and volume.

Explanation:

Hope it will help you

Answer 2

ANSWER

1==== True

2==== True

3==== 10cm2

4==== lbh

5==== more than solid

6==== mass and volume