logo

Cambridge IGCSE Combined Science practice

What is the main purpose of electrolysis?

Try the question first, then check the answer and practise the same topic again.

Show answerElectrolysis revisionRevise the key idea

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Electrolysis

Exam-style question

Try this first

What is the main purpose of electrolysis?.

  1. A.To heat ionic compounds
  2. B.To break down ionic compounds
  3. C.To dissolve ionic compounds
  4. D.To solidify ionic compounds

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 3 attempted

Paper 3 structured question: Electrolysis

Paper 3Theory (Core)3 marks

Description

Electrolysis of Sodium Chloride Solution

When sodium chloride (NaCl) is dissolved in water, it dissociates into sodium ions (Na+) and chloride ions (Cl-). When an electric current is passed through the solution, electrolysis occurs.

  1. a

    Explain the process of electrolysis that occurs when sodium chloride solution is electrolyzed.

    Aim for approximately 3 distinct marking points.

    [3]