MEDIUM
9th CBSE
IMPORTANT
Earn 100

Classify the following materials as homogeneous mixtures and heterogeneous mixtures:
Soda-water, Wood, Air, Soil, Vinegar, Alcohol and water mixture, Petrol and water mixture, Chalk and water mixture, Sugar and water mixture, Copper sulphate solution.

Important Questions on Is Matter Around Us Pure
MEDIUM
9th CBSE
IMPORTANT
What is meant by (i) elements (ii) compounds, and (iii) mixtures? Write down the names of two elements, two compounds and two mixtures.

HARD
9th CBSE
IMPORTANT
Classify the following into elements, compounds and mixtures:
Marble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk

HARD
9th CBSE
IMPORTANT
What are (i) metals (ii) non-metals, and (iii) metalloids? Give two examples each of metals, non-metals and metalloids.

MEDIUM
9th CBSE
IMPORTANT
Classify the following into metals, non-metals and metalloids
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium.

EASY
9th CBSE
IMPORTANT
What is a mixture? Give two examples of mixtures.

MEDIUM
9th CBSE
IMPORTANT
What is meant by (i) homogeneous mixtures, and (ii) heterogeneous mixtures? Give two examples of homogeneous mixtures and two of heterogeneous mixtures.

MEDIUM
9th CBSE
IMPORTANT
What is the other name of homogeneous mixtures?

MEDIUM
9th CBSE
IMPORTANT
What are the three general classes of matter ? Give one example of each type.
