Electrolysis

Electrolysis

8th - 10th Grade

9 Qs

quiz-placeholder

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Electrolysis

Electrolysis

Assessment

Quiz

Chemistry

8th - 10th Grade

Practice Problem

Medium

Created by

Anna McCrary

Used 7+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A Lithium ion (Li+) has two electrons. What needs to happen to it for it to turn back into an atom?

Gain one electron

Lose one electron

Gain two electrons

Lose two electrons

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

An oxide ion (O2-) has 10 electrons. What needs to change for it to become an atom?

Gain one electron

Lose one electron

Gain two electrons

Lose two electrons

3.

FILL IN THE BLANK QUESTION

15 mins • 1 pt

A liquid, containing free-moving ions, which is broken down by electricity in the process of electrolysis is called the.......

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The positive electrode in electrolysis is called the.....

anode

cathode

5.

OPEN ENDED QUESTION

15 mins • Ungraded

During the electrolysis of Aluminium oxide, aluminium ions move to the negative electrode. Explain why. (2 marks)

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6.

OPEN ENDED QUESTION

15 mins • Ungraded

A student investigated the electrolysis of zinc chloride. They observed that a silvery metal was produced at the negative electrode and a yellow-green gas was produced at the positive electrode. What happed to the zinc chloride? Name the products at each electrode. (3 marks)

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7.

OPEN ENDED QUESTION

15 mins • Ungraded

When solid zinc chloride was used there was no reaction. Explain why. (2 marks)

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