Materials questions

By Interwoven Maths

Materials question collection

Review Materials questions for Chemistry, with correct answers shown and coverage across properties of metals and non-metals; ceramics and their uses; polymers and their uses.

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Question 1

Which element is present in organic compounds?
  1. Carbon
  2. Silicon
  3. Sodium
  4. Iron

Question 2

Crude oil is best described as?
  1. A mixture of hydrocarbons
  2. A pure compound of carbon dioxide
  3. A single alkane
  4. A mixture of metal salts

Question 3

Which atoms are present in a hydrocarbon?
  1. Hydrogen and carbon
  2. Hydrogen and oxygen
  3. Carbon and oxygen
  4. Hydrogen, oxygen and nitrogen

Question 4

Which polymer property makes it suitable for coating a cable?
  1. Electrical insulation
  2. Electrical conduction
  3. Magnetic attraction
  4. High brittleness

Question 5

Which material class is generally flexible and waterproof?
  1. Most polymers
  2. Most ceramics
  3. Most metals
  4. Most glasses

Question 6

Which description defines a composite?
  1. Materials combined to give useful properties
  2. Metals chemically changed into one element
  3. One polymer made from identical monomers
  4. A mixture separated into pure substances

Question 7

Which equation shows complete combustion of methane?
  1. \(\mathrm{CH}_{4} + 2\mathrm{O}_{2} \to \mathrm{CO}_{2} + 2\mathrm{H}_{2}\mathrm{O}\)
  2. \(\mathrm{CH}_{4} + \mathrm{O}_{2} \to \mathrm{CO} + \mathrm{H}_{2}\mathrm{O}\)
  3. \(2\mathrm{CH}_{4} + \mathrm{O}_{2} \to 2\mathrm{CO}_{2} + 2\mathrm{H}_{2}\mathrm{O}\)
  4. \(\mathrm{CH}_{4} \to \mathrm{C} + 2\mathrm{H}_{2}\)

Question 8

When is incomplete combustion more likely?
  1. Not enough oxygen
  2. Excess oxygen
  3. A catalyst
  4. Very low pressure

Question 9

Which poisonous gas can incomplete combustion produce?
  1. Carbon monoxide
  2. Carbon dioxide
  3. Sulfur dioxide
  4. Nitrogen dioxide

Question 10

Which property separates crude-oil fractions in a distillation column?
  1. Boiling range
  2. Solubility in water
  3. Reaction rate with oxygen
  4. Electrical conductivity

Question 11

Which finite resource can recycling oil-based plastic conserve?
  1. Crude oil
  2. Iron ore
  3. Limestone
  4. Fresh water

Question 12

Which property is typical of many ceramics?
  1. Heat resistance
  2. Elastic stretching
  3. High electrical conduction
  4. Easy reshaping when cold

Question 13

Which is a composite material?
  1. Reinforced concrete
  2. High-density polyethylene
  3. Pure copper metal
  4. Soda-lime glass

Question 14

Which pair describes carbon-fibre composite?
  1. Strong and light
  2. Dense and brittle
  3. Soft and elastic
  4. Heavy and flexible

Question 15

Which description defines a polymer?
  1. Many repeating monomer units joined
  2. One monomer before joining
  3. Several polymers mixed but unjoined
  4. A catalyst used during polymerisation

Question 16

Crude oil takes millions of years to form. What is it?
  1. A finite resource
  2. A renewable resource
  3. A synthetic resource
  4. A recycled resource

Question 17

Which statement describes many common plastics?
  1. Decomposers break it down very slowly
  2. Decomposers digest it rapidly
  3. Rain dissolves it into nutrients
  4. Sunlight turns it quickly into compost

Question 18

What does reusing a plastic bottle mean?
  1. Using it again without remaking it
  2. Melting it into a new product
  3. Breaking it down by composting
  4. Burning it to release energy

Question 19

What is combustion?
  1. Burning in oxygen
  2. Freezing a liquid
  3. Separating a mixture
  4. Neutralising an acid

Question 20

Which description defines a monomer?
  1. Small molecule that joins into a polymer
  2. Long chain of repeating units
  3. Catalyst for polymerisation
  4. Ion released by a metal

Question 21

Why are plastics useful for many products?
  1. Their properties can be tailored
  2. Every polymer has identical properties
  3. They conduct electricity without additives
  4. They decompose rapidly in soil

Question 22

Why are different plastics separated before recycling?
  1. They need different processing conditions
  2. They contain different atomic elements
  3. They become identical when heated
  4. They are sorted by their original price

Question 23

What is a biofuel?
  1. Fuel made from recently living material
  2. Fuel made from ancient fossil material
  3. Energy released from nuclear fuel
  4. Hydrogen refined from crude oil

Question 24

Which metal is more reactive than carbon?
  1. Aluminium
  2. Copper
  3. Iron
  4. Lead

Question 25

Which metal can be extracted from its oxide using carbon?
  1. Iron
  2. Aluminium
  3. Magnesium
  4. Calcium

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Review Materials questions for Chemistry, with correct answers shown and coverage across properties of metals and non-metals; ceramics and their uses; polymers and their uses.

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