logo

Cambridge IGCSE Chemistry practice

What is the function of cryolite in the extraction of aluminium?

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

Show answerExtraction of metals revisionRevise the key idea

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Extraction of metals

Exam-style question

Try this first

What is the function of cryolite in the extraction of aluminium?.

  1. A.To increase the melting point
  2. B.To lower the melting point
  3. C.To provide carbon for anodes
  4. D.To act as a catalyst

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 4 structured question: Extraction of metals

Paper 4Theory (Extended)1 marks

Description

Electrolysis of Aluminium Oxide

The extraction of aluminium from bauxite involves the electrolysis of aluminium oxide dissolved in molten cryolite. Carbon anodes are used, and the process requires regular replacement of these anodes due to their consumption during the reaction.

  1. a

    State the role of cryolite in the extraction of aluminium.

    Aim for approximately 1 distinct marking point.

    [1]