Available Answers

1. 1.

   Fill in the blanks.

   1. The mass per unit volume is termed as ________.
   2. The SI unit of density is __________.
   3. The density of a body sinking in water is _________ than 1000 kg m^-3.
   4. 1 g cm^-3 = ___________ kg m^-3. 
   5. The relative density has _________ units.
2. 2.

   State whether the following statements are true (T) or false (F) . Correct the false statements.

   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 soils and gases.
   3. For determining the relative density of a liquid, Eureka Can is used.
   4. A block of aluminum floats when placed over mercury.
   5. The SI unit of density is g cm^-3.
3. 3.

   Match the following.

   Column I	Column II
   1. Lactometer	a. Specific gravity bottle
   2. Pycnometer	b. kg m-3
   3. SI unit of density	c. Purity of milk
   4. Relative density	d. 1 g cm-3
   5. Density of water at 4°C	e. No unit

4. 4.

   Show the following process in the form of a flowchart.

   Measurement of the  relative density of a liquid with unknown mass and volume.

5. 5.

   Define relative density.

6. 6.

   What is Eureka can?