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Exploring the World of Chemistry

Authored by Dinesh Kumar

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7th Grade

Exploring the World of Chemistry
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6 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical symbol for water?

H2O2

O2H

H2O3

H2O

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the pH level of pure water?

6

7

5

8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three states of matter?

gas, liquid, crystal

solid, liquid, plasma

plasma, vapor, foam

solid, liquid, gas

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process called when a solid turns into a gas?

Evaporation

Sublimation

Melting

Condensation

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main gas found in the Earth's atmosphere?

Nitrogen

Oxygen

Helium

Carbon Dioxide

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is PH

A

B

C

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