The space occupied by an object is called its

Fill in the blanks with the correct answer from the options in the box.

$1 {\mathrm{m}}^2=$_____ ${\mathrm{c}\mathrm{m}}^2$

Fill in the blanks with the correct answer from the options in the box.

By knowing the  _____ of a substance, the mass of any volume can be calculated.

Fill in the blanks with the correct answer from the options in the box.

An object _____ in a liquid of smaller density than its own.

State if the following statements are True or False. Correct the false statement. 

Equal volumes of different liquids have equal masses.

Pick the odd one out. Give scientific reason for your answer:

$\mathrm{kg} {\mathrm{cm}}^{-3}, g {\mathrm{cm}}^{-3}, \mathrm{kg} {\mathrm{mm}}^{-3}, \mathrm{kg} {\mathrm{cm}}^{-2}$