GCSE Chemistry Chemical Changes – Exam Style Questions with Answers

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GCSE_GEN_CHE_4_CHE CHANG_1

1 / 10

What is an electrolyte?

The solution which transfer energy

The solution which conduct current

The solution which conduct electricity

The solution which conduct voltage

2 / 10

What occurs at the cathode and what occurs at the anode during electrolysis?

Reduction occurs at the cathode ; Oxidation occurs at the anode

Oxidation occurs at the cathode ; Reduction occurs at the anode

both reduction and oxidation occurs at the anode

both reduction and oxidation occurs at the cathode

3 / 10

What is an anode?

Anode is the positive electrode

Anode is the negative electrode

Anode is the neutral electrode

4 / 10

Hydrogen is a gas

Hydrogen is less reactive than sodium

Hydrogen ions move faster than sodium ions

Hydrogen is more reactive than sodium

5 / 10

Sodium

Oxygen

Sodium chloride

Chlorine

6 / 10

Copper

Sulphate

Oxygen

Copper sulphate

7 / 10

Electrode A- copper ; Electrode B- Copper ; Electrolyte- NaCl

Electrode A- zinc ; Electrode B- zinc ; Electrolyte- water

Electrode A- copper ; Electrode B- zinc ; Electrolyte- NaCl

Electrode A- copper ; Electrode B- zinc ; Electrolyte- water

8 / 10

What is a cathode?

Cathode is the positive electrode

Cathode is the neutral electrode

Cathode is the negative electrode

9 / 10

10 / 10

Bleach

Fertiliser

Soap

Shampoo

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