Materials: Metals And Non Metals Mock Tests

28 questions available

Materials: Metals And Non Metals Mock Test 1

Questions: 28

Sample Questions

Class 8 Science

When iron displaces copper from copper sulphate solution, what colour change is observed?

A Blue to green

B Green to blue

C Blue to red

D Green to brown

Class 8 Science

Which non-metal is stored in kerosene to prevent dangerous reactions?

A Sulphur

B Phosphorus

C Carbon

D Iodine

Class 8 Science

When zinc granules react with dilute sulphuric acid, hydrogen gas is produced. The correct observation is:

A The solution turns red

B Bubbles of gas form on the surface of zinc granules

C The solution becomes green

D A white precipitate forms

Class 8 Science

Which of the following metals reacts with cold water to form a hydroxide and release hydrogen gas?

A Iron

B Aluminium

C Sodium

D Copper

Class 8 Science

Which non-metal is liquid at room temperature?

A Bromine

B Chlorine

C Iodine

D Fluorine

Class 8 Science

Which metal is the most abundant in the Earth's crust?

A Iron

B Aluminium

C Copper

D Gold

Class 8 Science

Which metal is the most abundant in the Earth's crust?

A Iron

B Copper

C Aluminium

D Gold

Class 8 Science

Which of the following metals reacts with cold water to produce hydrogen gas vigorously?

A Iron

B Lead

C Sodium

D Copper

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