Question

Exercise For Revision
Use Cordova Smart Class Software on the smart boord in class to do these exercises
A. Tick (1) the correct options.
1. Which of the following statements is incorrect?
(a) Equal volumes of different substances have different masses.
(b) Equal masses of different substances have different volumes.
(c) Density is the characteristic property of a substance.
(d) Equal masses of different substances have same volumes.
2. The density of copper is 8.9 g/cm and that of iron is 7.8 g/cm". Which of the following is
the correct statement?
(a) Equal masses of copper and iron have equal volumes.
(b) The volume of a certain mass of iron is more than the volume of equal mass of copper.
(c) Equal volumes of copper and iron have equal masses.
(d) The mass of a certain volume of copper is more than the mass of equal volume of iron.
3. Which of the following is the incorrect relation?
D
(b) V =
(c) m =
(d) m = D x V
V
D
4. A silver block of density 10.5 g/cm has a volume of 30 cm". Which of the following is the
correct mass of the block?
(a) 513 g
(b) 315 g
(c) 40.5 g
(d) 2.86 g
B. Fill in the blanks.
1. The mass per unit volume of a substance is called its
(weight/density)
2. The SI unit of density is
(kg/cm /kg/m)
3. 1 g/cm =
kg/m
(100/1000
4. The density of water in the SI system is
(1 kg/m/1000 kg/m)
5. A
is a glass or metal beaker with a spout on its one side.
(Eureka can/measuring cylinder
(a) D =​

Answer 1

Answer:

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