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Physical Quantities And Measurements
Class 8
Exercise/MCQ Set 1
Multiple Choice Questions
1. In general which is the most dense form of matter?
liquid
Solid
plasma
gases
2. The correct relation is ____
Volume = density X mass
Density = mass X volume
Density = mass + volume
Mass = density X volume
3. Jack has a rock. The rock has a mass of 14 grams and a volume of 2cmʒ. What is the density of the rock?
7ml
28gm/cmʒ
28ml
7gm/cmʒ
4. Eureka can is named after _______
Archimedes
Arcimedes
Daniel Berouli
Daniel Bernoulli
5. Hydrometer is based on the principle of
Sinking
Density
Floating
Relative density
6. Adulteration in milk can be measured by ______
Hydrometer
Lactometer
Milkometer
Hygrometer
7. When a gas is cooled its density _______
None
Decreases
Remains constant
Increases
8. Which of the following is the correct order of density (increasing order)?
Air, alcohol, copper
Air, copper, alcohol
Copper, alcohol, air
Alcohol, copper, air
9. For a given rise in temperature, the change in density is maximum in case of ______
Liquid
Gas
Solid
None
10. The relative density of Alcohol is 0.8. Its density is __________
0.8
8000 kg/mʒ
800 g/cmʒ
800 kg/mʒ
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