Introduction
Anything that has mass and occupies space is called …….
a) matter
b) element
c) atom
d) mixture
Matter exists in ………….. states.
a) three
b) four
c) five
d) two
Explanation:Matter exist in three states (solid, liquid and gas)
Matter exists in three physical states ………..
a) solid, liquid , gas
b) liquid, gas, plasma
c) solid, liquid, plasma
d) solid, liquid, vapour
All the states of matter are ……to each other.
a) inter-convertible
b) non-convertible
c) a & b both
d) none of these
Explanation:Solids can be converted into liquids and gases by heating and liquids can also be converted in gases and solids by heating and cooling respectively . Gases can be condensed into liquids by cooling.
Gaseous State:
