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electrolytic cell

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is an electrolytic cell?

a)

a cell that converts chemical energy into electrical energy

b)

a cell that converts electrical energy into electrical energy

c)

a cell that converts electrical energy into chemical energy

d)

A cell that converts kinetic energy into potential energy.

2.

What is the name of the positive electrode in an electrolytic cell?

a)

cathode

b)

anode

3.

What is the name of the negative electrode in an electrolytic cell ?

a)

cathode

b)

anode

4.
What is the name given to the solution that is being electrolysed?
a)
Salt solution
b)
Electric solution
c)
Mineral solution
d)
Electrolyte
5.

7. How do you test for Hydrogen gas?

a)

Lime water turns milky or cloudy

b)

A glowing splinter burns

c)

Burning splinter makes a pop sound

d)

Bleaches litmus paper

6.

6. How do you test for Oxygen gas?

a)

Limewater turns milky or cloudy

b)

A glowing splinter burns

c)

A burning splinter makes a pop sound

d)

Bleaches litmus paper

7.

When high concentrated sodium chloride solution is electrolysed, what has forms at the anode?

a)

Hydrogen

b)

Oxygen

c)

Chlorine

d)

Sodium

8.

The experiment shows an iron key is electroplated with metal Q. Name the metal Q.

a)

Iron

b)

Silver

c)

Copper

d)

Aluminium

9.

Which of the following statements about an electrolyte is correct?

Antara pernyataan berikut, yang manakah betul mengenai elektrolit ?

a)

compounds that conduct electricity in solid state

sebatian yang mengalirkan arus elektrik dalam keadaan pepejal

b)

compounds that conduct electricity in molten state or aqueous solution.

sebatian yang mengalirkan arus elektrik dalam keadaan leburan atau larutan akueus

10.

What is A?

Apakah A?

a)

battery

bateri

b)

electrode

elektrod

c)

electrolyte

elektrolit

11.

State name of A electrode.

Nyatakan nama bagi elektrod A.

a)

anode

anod

b)

cathode

katod

12.

State name of A electrode.

Nyatakan nama bagi elektrod A.

a)

anode

anod

b)

cathode

katod

13.

Why electrolyte must be in the liquid state?

Mengapakah elektrolit mesti dalam keadaan cecair?

a)

So the ions can move

supaya ion boleh bergerak

b)

so that ions does not get too hot

supaya ion tidak terlalu panas

14.

What is an anion?

Apakah anion?

a)

Is a negative ion

ion bercas negatif

b)

is a positive ion

ion bercas positive

15.

What is an cation?

Apakah kation?

a)

Is a negative ion

ion bercas negatif

b)

is a positive ion

ion bercas positive