Lily O'Brien
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GCSE Chemistry (C1) Quiz on Chemistry C1, created by Lily O'Brien on 10/04/2017.

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Lily O'Brien
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Chemistry C1

Question 1 of 25

1

The number of protons equals

Select one of the following:

  • The number of electrons

  • The number of neutrons

Explanation

Question 2 of 25

1

Limestone is mainly

Select one or more of the following:

  • Sodium carbonate

  • Calcium carbonate

  • Magnesium carbonate

Explanation

Question 3 of 25

1

Metals are:
Choose 3

Select one or more of the following:

  • Good conductors of electricity

  • Colourful when molten

  • Strong

  • Good conductors of heat

Explanation

Question 4 of 25

1

Alloys are softer than pure metals

Select one of the following:

  • True
  • False

Explanation

Question 5 of 25

1

Crude oil is mainly made up of hydrocarbon molecules

Select one of the following:

  • True
  • False

Explanation

Question 6 of 25

1

Sulphur dioxide causes acid rain

Select one of the following:

  • True
  • False

Explanation

Question 7 of 25

1

Cracking means splitting up long- chain hydrocarbons

Select one of the following:

  • True
  • False

Explanation

Question 8 of 25

1

Polymers are:
Choose 3

Select one or more of the following:

  • Cheap

  • Expensive

  • Most aren't biodegradable

  • Biodegradable

  • Most don't rot

Explanation

Question 9 of 25

1

Choose every right answer about vegetable oils (3)

Select one or more of the following:

  • Have benefits for cooking

  • Used in detergents

  • Used to produce fuels

  • Used in food

Explanation

Question 10 of 25

1

Unsaturated oils contain double bonds

Select one of the following:

  • True
  • False

Explanation

Question 11 of 25

1

Hydrophilic ends of an emulsifier latch onto oil molecules

Select one of the following:

  • True
  • False

Explanation

Question 12 of 25

1

Why wasn't Wegner's theory of continental drift accepted for many years? Choose 2

Select one or more of the following:

  • He had got his facts mixed up

  • He had used inaccurate data in his calculations

  • Many believed it to be impossible

  • he was ahead of his time

Explanation

Question 13 of 25

1

The centre of the Earth is mainly made of iron and nickel

Select one of the following:

  • True
  • False

Explanation

Question 14 of 25

1

The early atmosphere was mainly

Select one of the following:

  • methane

  • oxygen

  • carbon dioxide

  • nitrogen

Explanation

Question 15 of 25

1

Ethanol can be produced from plant materials

Select one of the following:

  • True
  • False

Explanation

Question 16 of 25

1

Biodiesel can be produced from vegetable oils

Select one of the following:

  • True
  • False

Explanation

Question 17 of 25

1

The mass number is the total number of protons and electrons

Select one of the following:

  • True
  • False

Explanation

Question 18 of 25

1

The atomic number tells you the number of protons or electrons

Select one of the following:

  • True
  • False

Explanation

Question 19 of 25

1

Emulsifiers stop emulsions from seperating out and this gives them a longer shelf life. They allow food companies to produce food lower in fat

Select one of the following:

  • True
  • False

Explanation

Question 20 of 25

1

No one is known to be allergic to emulsifiers so they can be very useful

Select one of the following:

  • True
  • False

Explanation

Question 21 of 25

1

Convection currents in the mantle cause plates to drift

Select one of the following:

  • True
  • False

Explanation

Question 22 of 25

1

The oceans formed when the water vapour condensed

Select one of the following:

  • True
  • False

Explanation

Question 23 of 25

1

the oceans are a natural store of carbon dioxide, however the amount of CO2 we're releasing is making them too acidic

Select one of the following:

  • True
  • False

Explanation

Question 24 of 25

1

Polymers are:
Choose 2

Select one or more of the following:

  • Very durable

  • Now mostly having waterproof coating

  • Very strong

  • Light,stretchable

Explanation

Question 25 of 25

1

Saturated fats are healthier than unsaturated fats

Select one of the following:

  • True
  • False

Explanation

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