wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

6.1 Electrolytic Cell (Science Form 5)

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
In an electrolytic cell, the positive electrode is the
a)
anode, where oxidation occurs
b)
anode where reduction occurs
c)
cathode where oxidation occurs
d)
cathode where reduction occurs
2.
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. 
3.
In electrolytic cell which its electrolyte is copper (II) sulphate, copper are used as electrodes. What is the product at the anode?
a)
Oxygen gas and water
b)
Copper metal
c)
Copper (II) ions
d)
Hydrogen gas
4.

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

a)

cathode

b)

anode

5.

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

a)

cathode

b)

anode

6.

Anion loses electrons and attracted to the

a)

cathode

b)

anode

7.

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

8.

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

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.

State name of A electrode.

Nyatakan nama bagi elektrod A.

a)

anode

anod

b)

cathode

katod

11.

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

12.

Define an electrolytic cell.

Takrif sel elektrolitik

a)

A cell that use chemical energy to produce electrical energy.

sel yang menggunakan tenaga kimia untuk menghasilkan tenaga elektrik

b)

A cell that use electrical energy to produce chemical energy.

sel yang menggunakan tenaga elektrik untuk menghasilkan tenaga kimia

13.

What is an anion?

Apakah anion?

a)

Is a negative ion

ion bercas negatif

b)

is a positive ion

ion bercas positive

14.

What is an cation?

Apakah kation?

a)

Is a negative ion

ion bercas negatif

b)

is a positive ion

ion bercas positive

15.
What is electrolysis?
a)
breaking down of a compound using a current
b)
making a compound using a current
16.
In electrolytic cell, anode will attract...
a)
Cations
b)
Anions
17.
In an electrolytic cell, the positive electrode is the
a)
anode, where oxidation occurs
b)
anode where reduction occurs
c)
cathode where oxidation occurs
d)
cathode where reduction occurs
18.
What does the Cathode (-) do to ions?
a)
Give electrons to the Positive ions to turn them back into atoms
b)
Take electrons from the positive ions?
c)
Turn ions back into atoms by removing electrons
d)
Turn atoms into ions by adding electrons
19.
What state must the ionic compound be in to be electrolysed?
a)
aqueous only
b)
solid only
c)
solid or aqueous only
d)
molten or aqueous only
20.

What happens at the positive electrode?

a)

Cations are attracted

b)

Anions are attracted