Question

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state whether the following statements are true or false:-
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1. A substance with relative density more than 1 implies that it is lighter than water and therefore it floats in the water.

2. Liquids are the most dense followed by the solids and gases.

3. For determining the relative density of a liquid, Eureka Can is used.

4. A block of aluminium floats when placed over mercury.

5. The SI unit of density is g cm³.
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Answer 1

Answer:

Answer:

1) True

2) False..(Solids are most dense followed by liquids and gases.)

3) True

4) True

5) False(It's Kgm³)

Answer 2

Answer:

1. False. A substance with relative density more than 1 implies that it is denser than water and therefore it sinks in the water.
2. False. Solids are generally more dense than liquids, which are generally more dense than gases.
3. False. For determining the relative density of a liquid, a hydrometer is used.
4. False. Aluminium is denser than mercury, so it sinks when placed over it.
5. False. The SI unit of density is kg/m³. The unit g/cm³ is also used, but it is not the SI unit.