Copy and Edit

AQA GCSE Chemistry Unit 2.5

Description

Twenty questions on the fifth section of Unit 2 in AQA GCSE Chemistry: Salts and electrolysis.
Matthew T
Quiz by Matthew T, updated more than 1 year ago
Matthew T
Created by Matthew T over 10 years ago
1335
20
0

Resource summary

Question 1

Question
Which ion do all acids release in solution?
Answer
  • H+
  • OH-

Question 2

Question
Which ion do all alkalis release in solution?
Answer
  • H+
  • OH-

Question 3

Question
What does the state symbol (aq) mean?
Answer
  • Chemical is only found in aquaria
  • Found in aqueous solution
  • Chemical is water

Question 4

Question
True or false? Reacting a metal in acid produces hydrogen gas.
Answer
  • True
  • False

Question 5

Question
Which salt would be produced with reacting cadmium hydroxide and nitric acid?
Answer
  • Cadmium chloride
  • Cadmium sulphate
  • Cadmium nitrate

Question 6

Question
Which of these are neutralisation reactions?
Answer
  • H2SO4 + 2NaOH --> Na2SO4 + 2H2O
  • H2SO4 + 2Na --> Na2SO4 + H2
  • H2SO4 + 2KOH --> K2SO4 + 2H2O
  • H2SO4 + 2K --> K2SO4 + H2

Question 7

Question
Which of these is a non-metallic cation?
Answer
  • Fe3+
  • NH4+
  • Mg2+

Question 8

Question
True or false? Lead iodide is soluble so it forms a precipitate.
Answer
  • True
  • False

Question 9

Question
True or false? The substance that is broken down by electrolysis is the electrolyte.
Answer
  • True
  • False

Question 10

Question
True or false? Anions are attracted to the negatively charged electrode.
Answer
  • True
  • False

Question 11

Question
Which of these ions is reduced and at which electrode?
Answer
  • Pb2+ at the anode
  • Pb2+ at the cathode
  • Br- at the anode
  • Br- at the cathode

Question 12

Question
Which of these ions is oxidised and at which electrode?
Answer
  • Pb2+ at the anode
  • Pb2+ at the cathode
  • Br- at the anode
  • Br- at the cathode

Question 13

Question
Which of these is a correct, balanced, set of half-equations?
Answer
  • Pb2+ + 2e- --> Pb, Br- --> Br + e-
  • Pb2+ + e- --> Pb+, Br- --> Br+ + 2e-
  • Pb2+ + 2e- --> Pb, 2Br- --> Br2 + 2e-

Question 14

Question
What is the name of the ore of aluminium?
Answer
  • Bauxite
  • Haematite
  • Cryolite
  • Malachite

Question 15

Question
What is the name of the chemical that reduces the operating temperature of an aluminium electrolysis cell?
Answer
  • Bauxite
  • Haematite
  • Cryolite
  • Malachite

Question 16

Question
Which of these are uses of chlorine from the electrolysis of brine?
Answer
  • Making margarine
  • Making bleach
  • Making paper
  • Disinfecting swimming pools
  • Making soap
  • Making polyvinylchloride

Question 17

Question
Which of these are uses of hydrogen from the electrolysis of brine?
Answer
  • Making margarine
  • Making bleach
  • Making paper
  • Disinfecting swimming pools
  • Making soap
  • Making polyvinylchloride

Question 18

Question
Which of these are uses of sodium hydroxide from the electrolysis of brine?
Answer
  • Making margarine
  • Making bleach
  • Making paper
  • Disinfecting swimming pools
  • Making soap
  • Making polyvinylchloride

Question 19

Question
True or false? Electroplating is often done to make production of goods cheaper.
Answer
  • True
  • False

Question 20

Question
True or false? As the anode is made of the plating metal, the electrolyte is not required to contain ions of that metal.
Answer
  • True
  • False
Show full summary Hide full summary

Want to create your own Quizzes for free with GoConqr? Learn more.

Similar

GCSE AQA Chemistry 2 Salts & Electrolysis
Lilac Potato
Acids and Bases
Sarah Egan
Using GoConqr to study science
Sarah Egan
Ionic Bondic Flashcards.
anjumn10
Electrolysis
lisawinkler10
Acids and Bases
silviaod119
Elements, Compounds and Mixtures
silviaod119
Chemistry General Quiz - 2
lauren_johncock
Chemistry Quiz General -3
lauren_johncock
Chemistry Module C2: Material Choices
James McConnell
AS Chemistry - Enthalpy Changes
Sarah H-V
Browse Library