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ELECTROLYSIS

ELECTROLYSIS

Assessment

Presentation

Science

12th Grade

Practice Problem

Medium

Created by

ROSLINDA Moe

Used 93+ times

FREE Resource

2 Slides • 17 Questions

1

ELECTROLYSIS

RECALL!

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2

Multiple Select

An electrolytic cell must have an electrical source such as battery

1

TRUE

2

FALSE

3

Multiple Choice

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X is

1

Battery

2

Ammeter

3

Electrode

4

Electrolyte

4

Multiple Choice

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What can be Y?

1

Battery

2

Ammeter

3

Electrode

4

Electrolyte

5

Multiple Select

Electrode connected to the positive terminal of an electrical source is .....

1

Anode

2

Cathode

6

Multiple Select

Electrode connected to the negative terminal of an electrical source is .....

1

Anode

2

Cathode

7

Multiple Select

Anion is ............... charged ion.

1

positive

2

negative

8

Multiple Select

Cation is ............... charged ion.

1

positive

2

negative

9

Multiple Select

Solid sodium chloride is an electrolyte.

1

TRUE

2

FALSE

10

Multiple Select

Molten sodium chloride is an electrolyte.

1

TRUE

2

FALSE

11

Multiple Select

Sodium chloride (NaCl) solution is an electrolyte.

1

TRUE

2

FALSE

12

Multiple Select

Question image

Choose the correct observation for electrolysis of solid lead (II) bromide.

1

Bulb light up

2

Bulb does not light up

3

Ammeter deflects

4

Ammeter does not deflect

13

Multiple Select

Question image

Choose the correct observation for electrolysis of molten lead (II) bromide.

1

Bulb light up

2

Bulb does not light up

3

Ammeter deflects

4

Ammeter does not deflect

14

Fill in the Blank

"During electrolysis molten lead (II) bromide, the bulb light up"

This is because.....(inference)

Electric current can flow when the ......... are free to move to conduct electricity.

15

Fill in the Blank

What is the operational definition for elctrolysis of molten lead (II) bromide?

Electrolysis is a process where the bulb lights up when lead (II) bromide is molten.

Electrolysis is a process where the ammeter _______ when lead (II) bromide is molten.

16

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ELECTROCHEMICAL SERIES

17

Multiple Select

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Name the ions present in the electrolytic cell

1

sodium ion

2

sulphate ion

3

hydrogen ion

4

hydroxide ion

18

Multiple Select

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Which ion will be discharged at the anode?

1

sodium ion

2

sulphate ion

3

hydrogen ion

4

hydroxide ion

19

Multiple Select

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Which ion will be discharged at the cathode?

1

sodium ion

2

sulphate ion

3

hydrogen ion

4

hydroxide ion

ELECTROLYSIS

RECALL!

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