Online Test — Materials: Metals and Non-Metals
15 Questions • 15 min • Chapter MCQ
15:00
Question 1 of 15
Which of these is a property of most metals?
Dull and brittle
Lustrous and malleable
Poor conductor of heat
Breaks easily
Explanation: Metals are usually shiny (lustrous) and malleable.
Question 2 of 15
The ability of a metal to be beaten into thin sheets is called:
Ductility
Malleability
Sonority
Lustre
Explanation: Malleability is the ability to be beaten into sheets.
Question 3 of 15
Metals make a ringing sound when struck. This property is called:
Ductility
Malleability
Sonority
Hardness
Explanation: Making a ringing sound when struck is sonority.
Question 4 of 15
Which of these is a non-metal?
Copper
Iron
Sulphur
Aluminium
Explanation: Sulphur is a non-metal; the others are metals.
Question 5 of 15
Graphite is an unusual non-metal because it:
Is shiny like gold
Conducts electricity
Is the hardest substance
Is a liquid
Explanation: Graphite is a non-metal that conducts electricity, an exception.
Question 6 of 15
Which metal is a liquid at room temperature?
Iron
Mercury
Copper
Gold
Explanation: Mercury is the only common metal that is a liquid at room temperature.
Question 7 of 15
Metal oxides are generally:
Acidic
Basic
Neutral always
Magnetic
Explanation: Metal oxides are basic in nature.
Question 8 of 15
Non-metal oxides are generally:
Basic
Acidic
Metallic
Magnetic
Explanation: Non-metal oxides are acidic in nature.
Question 9 of 15
When a metal reacts with a dilute acid, it usually releases:
Oxygen
Hydrogen
Carbon dioxide
Chlorine
Explanation: Metals react with dilute acids to release hydrogen gas.
Question 10 of 15
An iron nail dipped in copper sulphate solution gets a ___ coating.
Brown (copper)
Silver
Black
Golden
Explanation: Iron displaces copper, which deposits as a brown coating on the nail.
Question 11 of 15
A more reactive metal pushing out a less reactive metal from its salt solution is a:
Displacement reaction
Combustion reaction
Physical change
Distillation
Explanation: This is a displacement reaction, predicted by the reactivity series.
Question 12 of 15
Copper and aluminium are widely used for electrical wires because they are:
Poor conductors
Good conductors of electricity
Brittle
Magnetic
Explanation: They are good conductors of electricity.
Question 13 of 15
Which non-metal is needed by all living things for respiration?
Nitrogen
Oxygen
Chlorine
Carbon
Explanation: Oxygen is needed for breathing (respiration).
Question 14 of 15
The brown layer formed on iron in moist air is called:
Rust
Bronze
Lustre
Galvanising
Explanation: Iron forms rust in the presence of air and moisture.
Question 15 of 15
Coating iron with zinc to prevent rusting is called:
Displacement
Galvanisation
Sublimation
Filtration
Explanation: Galvanisation coats iron with zinc to prevent rusting.