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Lilac Potato
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GCSE AQA Chemistry 1 Quiz

Question 1 of 50

1

Which of these can be found in the nucleus of an atom?

Select one or more of the following:

  • Proton

  • Electron

  • Neutron

Explanation

Question 2 of 50

1

Fill the blank space to complete the text.

Number of protons number of electrons

Explanation

Question 3 of 50

1

Elements in the same group have...

Select one or more of the following:

  • the same number of electrons in their outer shell

  • similar properties

  • the same atomic number

  • the same number of shells

Explanation

Question 4 of 50

1

The mass number is the total number of and neutrons

Select option below to complete the highlighted text

    protons
    electrons
    shells

Explanation

Question 5 of 50

1

What's the maximum number of electrons in the first shell?

Select one of the following:

  • 2

  • 8

  • 4

  • 1

Explanation

Question 6 of 50

1

An ionic bond is formed between 2 non-metals.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 50

1

Fill the blank space to complete the text.

Covalent bonding involves electrons.

Explanation

Question 8 of 50

1

Limestone thermally decomposes to produce ............ + carbon dioxide

Select one of the following:

  • calcium oxide

  • calcium hydroxide

  • water

  • limewater

Explanation

Question 9 of 50

1

Select from the dropdown list to complete the text.

Calcium carbonate reacts with acid to produce a calcium salt, ( carbon dioxide, hydrogen, oxygen ) and water.

Explanation

Question 10 of 50

1

Calcium oxide + water -----> ...........................?

Select one of the following:

  • Calcium hydroxide

  • Calcium carbonate

  • Limewater

Explanation

Question 11 of 50

1

Bubbling gas through limewater is the test for ..............?

Select one of the following:

  • carbon dioxide

  • hydrogen

  • limestone

Explanation

Question 12 of 50

1

Limestone can be used to make.....................?

Select one or more of the following:

  • cement

  • mortar

  • concrete

  • graphite

  • marble

Explanation

Question 13 of 50

1

What are some disadvantages of quarrying limestone?

Select one or more of the following:

  • Destroys habitats

  • Noise & dust pollution

  • Causes acid rain

  • It is cheap & quick

Explanation

Question 14 of 50

1

A metal ore is a rock which contains enough metal to make it worthwhile extracting metal from it

Select one of the following:

  • True
  • False

Explanation

Question 15 of 50

1

How will metals that are more reactive than carbon be extracted?

Select one of the following:

  • By electrolysis

  • By reduction with carbon

  • By smelting

  • By oxidation

Explanation

Question 16 of 50

1

Which of these can an electrolyte NOT be made of?

Select one of the following:

  • Metal salt solutions made from the ore

  • Molten metal oxides

  • Solid ore

Explanation

Question 17 of 50

1

Select from the dropdown list to complete the text.

In a solution of a dissolved metal compound, a more reactive metal with displace a less reactive metal as it bonds ( more, less ) strongly to the compound.

Explanation

Question 18 of 50

1

Which of these describes the bioleaching process?

Select one of the following:

  • Bacteria separate copper from copper sulphide, get energy from the bond between them, separating the copper and leaving a leachate with copper.

  • Plants are grown in soil that contains copper, copper builds up inside leaves, plants are harvested, dried & burned, copper is collected from ash in furnace

Explanation

Question 19 of 50

1

What are some positives of metal extraction?

Select one or more of the following:

  • Provides local people with jobs

  • Provides us with useful products

  • Doesn't pollute the environment

  • Doesn't permanently damage the environment

Explanation

Question 20 of 50

1

What are some properties of all metals?

Select one or more of the following:

  • Strong

  • Can be bent/shaped

  • Can conduct heat/electricity

  • Low density

  • Corrosion-resistant

Explanation

Question 21 of 50

1

Iron that has come straight from the blast furnace contains what percentage of iron?

Select one of the following:

  • 96%

  • 100%

  • 93%

  • 90%

Explanation

Question 22 of 50

1

Bronze is made of and tin.

Select option below to complete the highlighted text

    copper
    iron
    chromium

Explanation

Question 23 of 50

1

Why can crude oil be separated into different fractions?

Select one of the following:

  • It is a mixture of hydrocarbons

  • It contains hydrocarbon compounds

  • It contains elements in their pure forms

Explanation

Question 24 of 50

1

A hydrocarbon can be tapped when it reaches its ................... ?

Select one of the following:

  • Boiling point

  • Melting point

Explanation

Question 25 of 50

1

Fill the blank space to complete the text.

Hydrocarbons (alkanes) are chains of carbon atoms surrounded by atoms.

Explanation

Question 26 of 50

1

Which of the following are true? The shorter the molecule..........
(HINT: there are three!)

Select one or more of the following:

  • the less viscous it is

  • the more viscous it is

  • the more volatile it is

  • the less volatile it is

  • the more flammable it is

  • the less flammable it is

Explanation

Question 27 of 50

1

Why is crude oil a good fuel to use?

Select one or more of the following:

  • It burns cleanly

  • It is easier & cheaper

  • It is more reliable

  • It doesn't pollute

  • It is a renewable fuel

Explanation

Question 28 of 50

1

Which of these can be produced when burning a fossil fuel, other than carbon dioxide & water vapour?

Select one or more of the following:

  • Sulphur dioxide

  • Nitrogen oxides

  • Carbon monoxide

  • Hydrogen

  • Oxygen

Explanation

Question 29 of 50

1

Which of these fuels are 'carbon neutral'?

Select one or more of the following:

  • Ethanol (made by fermentation)

  • Biodiesel

  • Hydrogen gas

  • Ethanol (made by hydration)

Explanation

Question 30 of 50

1

Cracking involves passing a vaporised hydrocarbon over a powdered catalyst at a high temperature. Which of the following are true?

Select one or more of the following:

  • Aluminium oxide is the catalyst used

  • Nickel is the catalyst used

  • The temperature is about 400*C - 700*C

  • The temperature is about 900*C - 1200*C

Explanation

Question 31 of 50

1

Select from the dropdown list to complete the text.

Alkenes contain a carbon double bond which means that they are ( unsaturated, saturated ).

Explanation

Question 32 of 50

1

Which of these describes the fermentation process to produce ethanol?

Select one of the following:

  • sugar ----> ethanol + carbon dioxide

  • ethene + water vapour ----> ethanol

  • sugar ----> ethanol + water

Explanation

Question 33 of 50

1

The test for alkenes involves adding bromine water and, if an alkene is present, it will turn from colourless to brown.

Select one of the following:

  • True
  • False

Explanation

Question 34 of 50

1

What are the problems with the fermentation process?

Select one or more of the following:

  • It produces impure ethanol

  • It is a batch process

  • It is a continuous process

  • It uses a low temperature

Explanation

Question 35 of 50

1

Fill the blank space to complete the text.

Polymerisation involves joining together many monomers to form .

Explanation

Question 36 of 50

1

Which of these are uses of polymers?

Select one or more of the following:

  • Memory foam

  • Plastic bags

  • Car bodies

  • Sun cream

  • Wound dressings

  • Tooth fillings

Explanation

Question 37 of 50

1

Fill the blank space to complete the text.

Vegetable oils provide a lot of .

Explanation

Question 38 of 50

1

Why is it good that vegetable oils have high boiling points?

Select one of the following:

  • Foods can be cooked faster

  • Foods taste better

  • Foods are made healthier

Explanation

Question 39 of 50

1

Select from the dropdown list to complete the text.

( Unsaturated, Saturated ) oils contain a C=C double bond.

Explanation

Question 40 of 50

1

How can unsaturated oils be hardened?

Select one or more of the following:

  • React with hydrogen

  • React with water vapour

  • Nickel catalyst

  • Iron catalyst

  • 60 degrees C

  • 400 degrees C

Explanation

Question 41 of 50

1

Partially hydrogenated vegetable oils are much better for you than saturated fats.

Select one of the following:

  • True
  • False

Explanation

Question 42 of 50

1

Which of these are correct about emulsifiers?

Select one or more of the following:

  • Emulsifier molecules have a hydrophilic head that is attracted to water

  • Emulsifier molecules have a hydrophobic tail that is attracted to oil

  • Emulsifier molecules have a hydrophilic tail that is attracted to water

  • Emulsifier molecules have a hydrophobic head that is attracted to oil

Explanation

Question 43 of 50

1

What evidence did Wegener use to come up with his theory of Continental Drift?

Select one or more of the following:

  • Similar fossils found on opposite sides of the Atlantic Ocean

  • The idea of land bridges

  • The coastlines of Africa & S. America seeming to 'match'

  • Matching layers found in rocks in different continents

  • Measuring the movements of the continents

Explanation

Question 44 of 50

1

Fill the blank space to complete the text.

Wegener's theory of Continental Drift: 300 million years ago, there was one (Pangaea) which broke into smaller continents which are still slowly drifting apart.

Explanation

Question 45 of 50

1

Fill the blank space to complete the text.

The mantle has all the properties of a but it can flow very slowly.

Explanation

Question 46 of 50

1

Fill the blank space to complete the text.

Radioactive decay in the Earth's core releases energy which causes the mantle to flow in convection currents - moving the tectonic plates.

Explanation

Question 47 of 50

1

Where did most of the carbon dioxide in the Earth's early atmosphere go?

Select one of the following:

  • Dissolved into the oceans

  • Absorbed by photosynthesis

  • 'Locked up' in sedimentary rocks

Explanation

Question 48 of 50

1

What does the ozone layer do?

Select one of the following:

  • Blocks harmful rays from the Sun

  • Protect us from meteorites

  • Regulate our temperature

Explanation

Question 49 of 50

1

Fill the blank space to complete the text.

Miller-Urey experiment set up: Sealed , hydrogen, ammonia & methane into their apparatus & applied an electrical charge for a week.

Explanation

Question 50 of 50

1

Why is carbon dioxide removed before air is cooled to -200 degrees C in the fractional distillation of air?

Select one of the following:

  • It would freeze & block the pipes

  • It wouldn't condense

  • It must be distilled separately

Explanation