Camphor disappears without leaving any residue because of___________?

Out of them which unit is used for the measurement of temperature?

Temperature 25 degree Celsius is equivalent to how many Kelvin?

Which of them is the SI unit of temperature?

The symbol of Kelvin is
________?

The process of mixing of different substances with each other due to
random motion of their particles is called?

Pure matter are of _________ kinds?

Water, chalk, sugar and salt are the
examples of_________________?

Pure substances which are made up of only one kind of atoms are known as ___________?

Atoms of silver and copper
are_____________?

Group of atom is called?

Gravitation was discovered by

Force = mass × velocity