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CHEMISTRY REVISION

Authored by SHILPA AHUJA

Chemistry

8th Grade

NGSS covered

Used 6+ times

CHEMISTRY REVISION
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electric current can produce

heating effect only.

chemical effect only.

magnetic effect only.

chemical, heating, and magnetic effects.

Tags

NGSS.HS-PS2-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the following solutions will not conduct electricity?

lemon juice

vinegar

tap water

vegetable oil

Tags

NGSS.MS-PS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following metals is used in electroplating to make objects appear shining?

iron

aluminium

copper

chromium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is incorrect about the conductivity of water?

Rain water is a good conductor of electricity.
On addition of table salt, water conducts electricity.
On addition of lemon juice, water conducts electricity.
Water becomes a good conductor of electricity when heated.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electrolyte is

a metal

a solution

a liquid that conducts electricity

none of these

Tags

NGSS.HS-PS2-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Flow of electrons is called

Electrode

Electrolyte

Electric current

Electroplating

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is plated on the iron to prevent it from chemically reacting with food?

Gold

Chromium

Tin

Zinc

Tags

NGSS.HS-PS2-6

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