extraction of aluminium

extraction of aluminium

1st - 11th Grade

17 Qs

quiz-placeholder

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extraction of aluminium

extraction of aluminium

Assessment

Quiz

Chemistry

1st - 11th Grade

Hard

Created by

Ruth Moraa

Used 23+ times

FREE Resource

17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the name of the ore that contains aluminum

Bauxite

Cryolite

Aluminum oxide

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is not a reason that cryolite is used in aluminum extraction?

Cryolite dissolves aluminum oxide

Cryolite reduces the melting point of aluminum oxide

Cryolite decreases the cost of aluminum extraction

Cryolite removes impurities from aluminum oxide

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The positive electrode is called the

anode

cathode

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The negative electrode is called the

anode

cathode

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Aluminum ions are attracted to the

anode

cathode

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxygen ions are attracted to the

cathode

anode

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In aluminum extraction the electrodes are made of

carbon (graphite)

aluminum and oxygen

platinum

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