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electrolysis

Authored by Sabeen Ahmed

Chemistry

9th - 11th Grade

NGSS covered

Used 2K+ times

electrolysis
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14 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is electrolysis?

breaking down of a compound using a current
making a compound using a current

Tags

NGSS.HS-PS3-5

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of the positive electrode?

cathode
anode

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the name of the negative electrode?

cathode
anode

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

The negatively charged ions (anions) are attracted to the ________.

anode

cathode

Tags

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows the electrolysis of lead(II) bromide using inert electrodes. Why does the bulb only light up when the lead(II) bromide is melted?

Bromine atoms in lead(II) bromide are converted to ions when it is melted

Electrons flow through the lead(II) bromide when it is melted

The ions in lead(II) bromide are mobile charge carriers in the molten state.

There are no ions in solid lead(II) bromide

Tags

NGSS.HS-PS1-3

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Anions get discharged by ________ electrons at the ___________

gaining, cathode

losing, anode

gaining, anode

losing, cathode

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Positive ions (cations) move towards the cathode (-) where they will discharge by....

Breaking apart

Losing electrons

Clumping together.

Gaining electrons

Tags

NGSS.HS-PS2-5

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