EASY
9th CBSE
IMPORTANT
Earn 100

Name a metal which is yellow in colour.

100% studentsanswered this correctly

Important Questions on Is Matter Around Us Pure

HARD
9th CBSE
IMPORTANT

Which of the following are not compounds?

Chlorine gas, Potassium chloride, Iron powder, Iron suiphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond.

MEDIUM
9th CBSE
IMPORTANT
State the main points of difference between homogeneous and heterogeneous mixtures.
MEDIUM
9th CBSE
IMPORTANT
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.
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.