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C2

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quick quiz on different topics from C2 units for AQA gcse
I M Wilson
Quiz by I M Wilson, updated more than 1 year ago
I M Wilson
Created by I M Wilson almost 9 years ago
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Resource summary

Question 1

Question
Select the substances which are giant 3D molecules
Answer
  • Diamond
  • Sillicon Dioxide
  • Graphite
  • Graphene
  • Coal

Question 2

Question
Plastics all have the same properties because they are all made by polymerisation.
Answer
  • True
  • False

Question 3

Question
How big is a human hair?
Answer
  • 80000nm
  • 80000mm
  • 8000nm
  • 8000mm

Question 4

Question
Complete the formula for Magnesium Carbonate Mg
Answer
  • CO2
  • CO3
  • CO

Question 5

Question
NH4+ is more commonly known as...
Answer
  • Ammonia
  • Ammonium
  • Nitro-tetra-hydride
  • Hydrogen-nitride

Question 6

Question
Gas chromatography can be used to identify gases.
Answer
  • True
  • False

Question 7

Question
The electronic structure of chlorine is...
Answer
  • 2,8,8,7
  • 2,7
  • 2,8,7
  • 4,4,4,4,1
  • 8,8,1
  • 2,4,4,4,3

Question 8

Question
What is a mole?
Answer
  • A specific mass of an element.
  • A specific number of particles.
  • The number of different molecules in an equation.
  • A small furry blind rodent.

Question 9

Question
Covalent bonds contain shared pairs of electrons.
Answer
  • True
  • False

Question 10

Question
In electrolysis, the cation is...
Answer
  • The most reactive ion.
  • The positive ion.
  • The highest powered electrode.
  • The positive electrode.
  • The negative ion.
  • The negative electrode.

Question 11

Question
What name do we give to a substance that can be separated using electricity?
Answer
  • Electrolysis.
  • Electrolyte.
  • Salt
  • Electronegative
  • Solution
  • Liquid

Question 12

Question
The raw material that is shipped in to extract aluminium is...
Answer
  • Bauxite
  • Alumina
  • Aluminum
  • Cryolyte
  • Aluminium Oxide

Question 13

Question
What does a half equation tell you?
Answer
  • The loss or gain of electrons from one half of the equation.
  • The loss or gain of electrons from one specific molecule.
  • The movement of electrons from one ionic molecule to another (This will change the charge of the ion.

Question 14

Question
An anode is...
Answer
  • A negative ion
  • A negative electrode
  • A positive ion
  • A positive electrode

Question 15

Question
Oxidation is _________ reduction is _________ of electrons.
Answer
  • loss, gain
  • gain, loss

Question 16

Question
Acids contain H+ ions which is why we measure how strong they are using the pH scale (H stands for hydrogen).
Answer
  • True
  • False

Question 17

Question
An insoluble salt formed from two liquids is known as a precipitate.
Answer
  • True
  • False

Question 18

Question
Burning coal is an endothermic reaction because you have to give it energy from a flame (match/lighter) to get it to start.
Answer
  • True
  • False

Question 19

Question
Why is a mass spectrometer under vacuum conditions?
Answer
  • To reduce mass.
  • To reduce friction.
  • To reduce interference from air particles.

Question 20

Question
What is the correct half equation for the hydrogen in the neutralisation of sulphuric acid using calcium carbonate? H2SO4 + CaCO3 --> H2O + CaSO4 + CO2
Answer
  • H+ + e- --> H
  • H --> H+ + e-
  • 2H+ + e- --> 2H
  • 2H+ + 2e- --> 2H
  • H+2 + 2e- --> 2H+

Question 21

Question
Select all of the things that can affect the rate of reaction.
Answer
  • Temperature
  • Mass
  • Concentration
  • Volume
  • Surface Area
  • Pressure
  • Force

Question 22

Question
The empirical formula is the same as the molecular formula.
Answer
  • True
  • False

Question 23

Question
What is the theoretical yield?
Answer
  • The answer you think you will get.
  • The mass of product you make.
  • The mass of product you should make according to the calculations.
  • The volume of gas made by a similar reaction.

Question 24

Question
What is the catalyst used in the Haber Process?
Answer
  • Nickel
  • Platinum
  • Iron

Question 25

Question
What does rate of reaction mean?
Answer
  • How quickly the reaction happens.
  • How efficient the reaction is.
  • The frequency of successful collisions.
  • The intensity of the gas released.

Question 26

Question
How do you work out percentage yield?
Answer
  • (actual/theoretical) x100
  • (theoretical/actual) x100
  • (actual/theoretical) /100
  • (theoretical/actual) /100

Question 27

Question
Select the exothermic reaction(s)
Answer
  • Ammonium nitrate + Water
  • Acid + Alkali
  • CaCO3 (+heat)
  • Magnesium + Hydrochloric acid

Question 28

Question
What does Mr stand for?
Answer
  • Relative molecular mass
  • Molecular formula
  • Mass
  • Mister
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