Extra 40 multiple-choice questions (MCQs) with answers from Chapter:3 Metals and Non-Metals for Class 10 CBSE Science:

MCQs:

Which of the following is a metal?
a) Sulphur
b) Oxygen
c) Aluminium
d) Carbon
Ans: c) Aluminium

 

Which non-metal is a good conductor of electricity?
a) Carbon (graphite)
b) Sulphur
c) Phosphorus
d) Oxygen
Ans: a) Carbon (graphite)

 

Which metal is the most reactive?
a) Copper
b) Iron
c) Potassium
d) Silver
Ans: c) Potassium

 

Which of the following metals is found in the liquid state at room temperature?
a) Gold
b) Mercury
c) Silver
d) Aluminium
Ans: b) Mercury

 

Which property of metals makes them suitable for making electrical wires?
a) Malleability
b) Sonority
c) Ductility
d) Lustre
Ans: c) Ductility

 

Which of the following is not a property of metals?
a) Malleability
b) Poor conductivity of heat
c) Sonority
d) High melting point
Ans: b) Poor conductivity of heat

 

Which metal is the best conductor of electricity?
a) Aluminium
b) Copper
c) Silver
d) Gold
Ans: c) Silver

 

The most abundant metal in the Earth's crust is:
a) Copper
b) Aluminium
c) Iron
d) Gold
Ans: b) Aluminium

 

The property of metals to be drawn into thin wires is called:
a) Malleability
b) Ductility
c) Sonority
d) Hardness
Ans: b) Ductility

 

Which gas is produced when a metal reacts with acid?
a) Oxygen
b) Carbon dioxide
c) Hydrogen
d) Nitrogen
Ans: c) Hydrogen

 

Which of the following metals does not react with water?
a) Sodium
b) Calcium
c) Gold
d) Potassium
Ans: c) Gold

 

A metal that reacts with water to produce hydrogen gas is:
a) Aluminium
b) Iron
c) Sodium
d) Copper
Ans: c) Sodium

 

The non-metal used in the manufacture of matches is:
a) Sulphur
b) Carbon
c) Phosphorus
d) Oxygen
Ans: c) Phosphorus

 

Which of the following metals does not corrode easily?
a) Iron
b) Aluminium
c) Gold
d) Zinc
Ans: c) Gold

 

Which metal is used to galvanize iron?
a) Copper
b) Zinc
c) Aluminium
d) Magnesium
Ans: b) Zinc

 

Which of the following is an amphoteric metal?
a) Zinc
b) Copper
c) Lead
d) Silver
Ans: a) Zinc

 

Which of the following non-metals is used in water purification?
a) Sulphur
b) Iodine
c) Chlorine
d) Phosphorus
Ans: c) Chlorine

 

Which metal is used in thermometers?
a) Aluminium
b) Mercury
c) Copper
d) Zinc
Ans: b) Mercury

 

Which of the following metals is used in making aircraft?
a) Lead
b) Iron
c) Aluminium
d) Copper
Ans: c) Aluminium

 

Which of the following non-metals is used in making pencil lead?
a) Sulphur
b) Carbon (Graphite)
c) Phosphorus
d) Silicon
Ans: b) Carbon (Graphite)

 

Which non-metal is used in the production of fertilizers?
a) Oxygen
b) Nitrogen
c) Carbon
d) Sulphur
Ans: b) Nitrogen

 

Which metal is most suitable for making cooking utensils?
a) Copper
b) Silver
c) Aluminium
d) Iron
Ans: c) Aluminium

 

The metal that is liquid at room temperature is:
a) Sodium
b) Mercury
c) Iron
d) Lead
Ans: b) Mercury

 

The most malleable metal is:
a) Aluminium
b) Copper
c) Gold
d) Iron
Ans: c) Gold

 

The non-metal that exists in different forms (allotropes) is:
a) Phosphorus
b) Sulphur
c) Carbon
d) Oxygen
Ans: c) Carbon

 

Which metal is stored in kerosene to prevent reaction with air?
a) Sodium
b) Iron
c) Aluminium
d) Copper
Ans: a) Sodium

 

Which of the following is not a characteristic property of non-metals?
a) Poor conductors of electricity
b) High melting and boiling points
c) Brittle
d) Dull appearance
Ans: b) High melting and boiling points

 

The metal which does not react with hydrochloric acid is:
a) Zinc
b) Iron
c) Copper
d) Aluminium
Ans: c) Copper

 

The metal used for making filaments in electric bulbs is:
a) Copper
b) Tungsten
c) Aluminium
d) Iron
Ans: b) Tungsten

 

The process of heating ore in the presence of oxygen is called:
a) Smelting
b) Roasting
c) Calcination
d) Refining
Ans: b) Roasting

 

The metal that does not react with dilute acids is:
a) Zinc
b) Iron
c) Copper
d) Aluminium
Ans: c) Copper

 

The element that forms the hardest known natural substance is:
a) Silicon
b) Carbon (Diamond)
c) Sulphur
d) Phosphorus
Ans: b) Carbon (Diamond)

 

Which metal is coated on iron to prevent rusting?
a) Aluminium
b) Zinc
c) Copper
d) Lead
Ans: b) Zinc

 

The non-metal used to disinfect drinking water is:
a) Carbon
b) Iodine
c) Chlorine
d) Phosphorus
Ans: c) Chlorine

 

The process of extracting pure metal from ore is called:
a) Corrosion
b) Refining
c) Roasting
d) Smelting
Ans: d) Smelting

 

The best conductor of electricity among the following is:
a) Aluminium
b) Copper
c) Silver
d) Gold
Ans: c) Silver

 

The element essential for making bones and teeth strong is:
a) Iron
b) Calcium
c) Zinc
d) Magnesium
Ans: b) Calcium

 

Which non-metal is used in making explosives?
a) Oxygen
b) Sulphur
c) Phosphorus
d) Nitrogen
Ans: c) Phosphorus

 

The metal present in blood haemoglobin is:
a) Copper
b) Zinc
c) Iron
d) Calcium
Ans: c) Iron

 

Which metal is used in making coins?
a) Silver
b) Copper
c) Aluminium
d) All of these
Ans: d) All of these