Question

Question 1


a) Arrange the following substances in order of their increasing density: [2] glass, wood, lead and ice.
b) Define the term relative density of a substance. Name
the device used to measure it. c) The density of glass is 1.97 g
−3 kg .
d) Give reason:
−3
[2] . Express it in
[2]
A solid iron ball with a density of 7.86 g−3 will sink in water whereas the same ball will float in mercury. [2]

e) If the mass of substance with density 10300 kg−3 is 2.06 kg. What will be its volume? [2]
Question 2:
a) Describe an experiment to determine the density of the material of a coin. [2]
b) A given quantity of a liquid is heated. Explain how it varies the mass and density of liquid. [2] c) State the law of floatation. [2]
d) Name two factors on which the buoyant force of a body immersed in a liquid depends on. [2]
e) The mass of an empty density bottle is 21.8 g, when filled completely with water it is 41.8 g and when filled completely with liquid it is 40.6 g. [2] Find :
i) the volume of density bottle.
ii) the relative density if liquids

Answer 1

Answer:

693

92

velocity

hight

follow me i will follow back