Junior Cert Science - Chemistry - Fossil Fuels and Plastics

Multiple Choice Quiz

Multiple choice quiz of 20 questions. Try it as often as you like. You will get a different set of questions each time.

What is the missing word in the following sentence? "A fuel is a substance that burns in _______________ to produce energy".
1. oxygen
2. nitrogen
3. carbon dioxide
4. methane
Which one of the following substances is not a good source of heat energy?
1. Water
2. Oil
3. Peat
4. Coal
Which one of the following is NOT a fossil fuel?
1. Uranium
2. Natural gas
3. Coal
4. Turf
Which TWO of the following were formed from animals and plants that once lived under the sea?
1. Crude oil
2. Natural gas
3. Timber
4. Coal
Of the following elements, which two are the main constituents of fossil fuels?
1. Carbon
2. Hydrogen
3. Silicon
4. Gold
Hydrocarbons are made of
1. Carbon and hydrogen
2. Carbon and oxygen
3. Hydrogen and oxygen
4. Hydrogen, carbon and nitrogen
Which one of the following gases is NOT a greenhouse gas?
1. Hydrogen
2. Methane
3. Water vapour
4. Carbon dioxide
With reference to the greenhouse effect, which one of the following statements is NOT correct?
1. The greenhouse effect is mainly caused by gases escaping from greenhouses and glasshouses
2. Long wavelength heat rays reflected from the earth's surface cannot escape from the earth's atmosphere
3. The temperature of the earth is slowly increasing due to heat being trapped in its atmosphere.
4. Short wavelength heat rays from the sun penetrate the earth's atmosphere
Which one of the following activities is most unlikely to contribute to Global Warming?
1. Acid rain
2. Burning of fossil fuels
3. Cutting down of rainforests
4. Increasing levels of carbon dioxide
Methane is a greenhouse gas. It is produced by
1. Emissions from dumps
2. Emissions from melting glaciers
3. The production of steel
4. Burning fossil fuels
Which greenhouse gas is caused by grazing cattle?
1. Methane
2. Carbon dioxide
3. Water vapour
4. Nitrogen
Which TWO of the following effects may most likely be caused by Global Warming?
1. Melting of the polar caps
2. Rising sea levels
3. Extinction of the panda bear
4. Increase in the earth's population
Which one of the following acids is formed when carbon dioxide mixes with clouds in the atmosphere?
1. Carbonic acid
2. Hydrochloric acid
3. Nitric acid
4. Sulfuric acid
pH can measure how acidic a substance is. The pH of acid rain is
1. 7
2. Greater than 10
3. Between 7 and 10
4. Less than 6
Which one of the following does not contribute to acid rain?
1. Hydrogen peroxide
2. Carbon dioxide
3. Sulfur dioxide
4. The oxides of nitrogen
Which TWO of the following are caused by acid rain?
1. Defoliation of trees
2. Fish kills
3. Forest fires
4. Tsunamis
A soil sample is tested for its pH, and is found to have a value of 5.5. Which of the following substances is best added to the soil in order to neutralise it?
1. Lime
2. Citric acid
3. Diluted vinegar
4. Water
Which THREE of the following items would you most likely use when testing the pH of a soil sample?
1. Universal indicator solution
2. Filter paper
3. Test tube
4. Bunsen burner
Which one of the following would best reduce Global warming?
1. Use wind energy in generating electricity
2. Drive cars faster so that there is less time spent on journeys
3. Eat more organic food
4. Use unleaded petrol instead of diesel in car engines
What type of fuel consisting of hydrocarbons, was formed millions of years ago from the fossilised remains of plants and animals?
1. Fossil fuel
2. Nuclear fuel
3. Biofuel
4. Wood
From the following, select the correct word equation for the burning of a fossil fuel.
1. Fossil fuel + oxygen --> carbon dioxide + water
2. Fossil fuel + carbon dioxide --> oxygen + water
3. Fossil fuel + water --> carbon dioxide + oxygen
4. Fossil fuel + nitrogen --> nitrogen oxide + oxygen
Which one of the following is not a constituent of acid rain?
1. Citric acid
2. Nitric acid
3. Carbonic acid
4. Sulfuric acid
The effects of acid may be reduced by
1. decreasing the sulfur content of fuels
2. burning more fossil fuels
3. burning coal only
4. recycling more plastic bottles
In the catalytic converter of the automobile, poisonous carbon monoxide is converted into
1. carbon dioxide
2. sulfur dioxide
3. oxygen
4. water vapour
In fractional distillation, crude oil is separated into fractions on the basis of their
1. boiling points
2. melting points
3. densities
4. colours
The breaking up of large molecules that are found in crude oil, into smaller molecules is called
1. cracking
2. distillation
3. filtration
4. refining
A substance that alters the rate of a chemical reaction without being used up in the reaction is known as a
1. catalyst
2. plastic
3. monomer
4. polymer
The process whereby many small molecules called monomers join together to form a much larger molecule is called
1. polymerisation
2. distillation
3. filtration
4. neutralisation
Which one of the following is NOT an advantage of plastics?
1. They can be made from salt and water
2. They are cheap to produce
3. They can be made into almost any shape
4. They do not corrode
Which one of the following is not a man-made plastic?
1. Silk
2. Polystyrene
3. Polythene
4. Nylon
A plastic that decomposes over a period of time is said to be
1. biodegradable
2. corrosive
3. flexible
4. a good insulator
Which one of the following is a man-made plastic?
1. Polystyrene
2. Sodium chloride
3. Silk
4. Wool
Which one of the following is NOT a property of plastics?
1. They can be moulded into many different shapes
2. They generally have low densities
3. They react readily with metals
4. They are good electrical insulators
Biodegradable plastics are broken down in the environment by
1. micro-organisms
2. insects
3. oxygen in the atmosphere
4. slugs and caterpillars