Matter

Matter does not occupy space .

• True

• False

Which of the following defines a property of solid ?

• Indefinite volume

• Highly compressible

• Can flow

• Are rigid

Impure substances have _______ composition

Draw the molecular model of gas

Process of changing a solid into a gas

• Melting

• Sublimation

• Deposition

• Freezing

Melting point of ice and Freezing point of water is 100 C . Is it True or False ?

• True

• False

Answer explanation

It is 0 C . 🙂

Which of the following which is formed in gaseous state after sublimation ?

• Sublime

• Sublimate

• Deposed

• Matter

What is law of conservation of mass ?

• It means atoms can neither be created nor be destroyed

• It has same number of atoms in reactant side and on product side

• It means that atoms weigh the same

• Atoms are weightless

Label the part 1 and 2

Temperature at which evaporation takes place

• 0°C

• 100°C

• All and any temperature

• 93°C