Nature of Matter

Question 1

Matter

Answer 1

Anything which has mass and occupies space

Question 2

Classification of Matter

Answer 2

Physical Classification :-
1) Solid
2) Liquid
3) Gas

Chemical Classification :-
* Pure Substance :-
1) Elements
2) Compounds
* Mixture :-
1) Homogenous Mixture
2) Heterogenous Mixture

Question 3

Physical Classification

Answer 3

Solid - Definite Shape, Definite Volume

Liquid - Shape of Container, Definite Volume

Gas - Shape of Container, Volume of Container

Question 4

Pure Substance

Answer 4

• Contains only one type of substance
• Contains one type of atom (Element)
• Contains only one type of molecule (Compound)

Question 5

Mixtures

Answer 5

• Contains more than one type of substance mixed in any weight ratio
• Mixture with uniform composition - Homogenous Mixture. Eg. -> Salt + Water
• Mixture with non uniform composition - Heterogenous Mixture. Eg. - > Sand + Water
• Phase differentiable in Heterogenous vice versa