Question

D. State whether the following are true or false.
1. Density specifies how tightly matter is packed
in a unit volume.
2. The symbol used for density is p (rho).
3. The density of water is 1000 g/cmº.
4. The relative density of a substance is the ratio
of the density of the substance to the density of
water at 40°C.
5. A solid will sink in a liquid of density higher than
the solid.
6. The density of an object can be varied by changing
its shape.
7. The bulb of a common hydrometer is loaded with
mercury.
8. The range of a lactometer varies from 1.015 to 1.020.
9. To get the density of a substance in kg/m”, one
must multiply its relative density by 1000.
10. A body of density 4.5 g/cm² will float on water.​

Answer 1

Answer:

2. true

3.false

4.true

5.unsure

6.false

7.true

8. I don't know

9.false

10.true

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