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- 1. Multiple Choice
What does electrolysis mean?
Breaking down compounds into their elements using electricity
Combining elements to make compounds using electricity
Breaking down compounds into their elements to generate electricity
Combining elements to make compounds and generate electricity
- 2. Multiple Choice
What is an ionic compound?
A combination of metal and non-metal elements chemically bonded by electrostatic forces of attraction
A combination of metal and non-metal elements chemically bonded by sharing electrons
A combination of different non-metal elements chemically combined by sharing electrons
A combination of metal elements chemically combined by electrostatic forces of attraction
- 3. Multiple Choice
The melting points of ionic compounds are usually...
high
low
- 4. Multiple Choice
What is a cation?
A positively charged ion
A negatively charged ion
- 5. Multiple Choice
What is an anion?
A positively charged ion
A negatively charged ion
- 6. Multiple Choice
What is the charge on the cathode?
Positive
Negative
- 7. Multiple Choice
Which electrode, P or Q, is the anode in the diagram?
P
Q
- 8. Multiple Choice
In which direction will the electrons flow in the electrolysis cell shown?
From P to Q
From Q to P
- 9. Multiple Choice
At the cathode sodium ions can be discharged as sodium atoms. Which word represents the chemical change occurring?
Oxidation
Reduction
- 10. Multiple Choice
During the electrolysis of molten magnesium chloride, what will be produced at the anode?
Sodium metal
Hydrogen gas
Oxygen molecules
Chlorine molecules
- 11. Multiple Choice
During the electrolysis of molten calcium bromide, what will be produced at the cathode and the anode?
Cathode - calcium metal
Cathode - hydrogen gas
Anode - oxygen gas
Anode - bromine gas
- 12. Multiple Choice
During the electrolysis of a solution of aqueous sodium chloride, what will be produced at the cathode?
Hydrogen gas
Calcium metal
Chlorine gas
Oxygen gas
- 13. Multiple Choice
During the electrolysis of a solution of aqueous copper (II) sulphate, what will be produced at the cathode?
Hydrogen gas
Copper metal
Oxygen gas
Sulphur dioxide gas
- 14. Multiple Choice
During the electrolysis of brine what are the products?
Sodium metal
Hydrogen gas
Chlorine gas
Aqueous sodium hydroxide
- 15. Multiple Choice
What are the products during the electrolysis of a dilute solution of aqueous sulphuric acid?
Hydrogen gas at the cathode
Oxygen gas at the anode
Hydrogen gas at the anode
Oxygen gas at the cathode
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