Question

em
2. The dimensions of a hall are 10 m x 7m x 5 m
If the density of air is 111 kg m find the mass
of air in the hall.
Ans: 3885 kg
3. The density of aluminium is 27 gem Express
it in kg m
Ans: 2700 kg m
4. The density of alcohol is 600 kg m Express it
in g em?
Ans: 0-60 g em
5. A piece of zinc of mass 438 6 g has a volume of
es
t
е
20
86 cm. Calculate the density of zinc
Ans: 51 g em
6. A piece of wood of mass 150 g has a volume of
200 cm Find the density of wood in
(a) C.GS, unit, (b) S.L. unit.
Ans: (a) 0.75 g cm. (b) 750 kg m
7. Calculate the volume of wood of mass 6000 kg
if the density of wood is 0.8 g em.
Ans: 75 m
8. Calculate the density of a solid from the following
data:
(a) Mass of solid = 72 g
(b) Initial volume of water in measuring cylinder
= 24 mL​

Answer 1

Answer:

2)3885kg

3)2700kg m

4)0-60 g em

5)51 g em

6)a)C.G,S unit (B) s.l.unit

7)75 m

8)a) 72 g b)24 ml