Quiz about chemical formulae

Question 1

NaClrepresents

Accepted Answer

Sodium Chloride

Answer

Sodium bicarbonate

Answer

Sodium carbonate

Answer

Calcium Carbonate

Question 2

NaOHrepresents

Accepted Answer

Sodium Hydroxide

Answer

Sodium bicarbonate

Answer

Sodium carbonate

Answer

Sodium Chloride

Question 3

CaCO₃represents

Accepted Answer

Calcium Carbonate

Answer

Sodium bicarbonate

Answer

Sodium carbonate

Answer

Sodium Chloride

Question 4

HCl represents

Accepted Answer

Hydrochloric Acid

Answer

Sulphuric Acid

Answer

Nitric acid

Answer

Chlorine gas

Question 5

MgO represents

Accepted Answer

Magnesium Oxide

Answer

Magnesium  Hydroxide

Answer

Magnesium  Chloride

Answer

Sodium Nitrate

Question 6

How many chlorine atoms in AlCl₃

Accepted Answer

3

Answer

1

Answer

4

Answer

0

Question 7

How many chlorine atoms in 6AlCl₃

Accepted Answer

18

Answer

6

Answer

3

Answer

12

Question 8

Tick the compounds containing Oxygen

Accepted Answer

NaOH

Accepted Answer

MgO

Accepted Answer

CO

Answer

HCl

Question 9

Tick the chemical symbol for gold

Accepted Answer

Au

Answer

AU

Answer

au

Answer

aU

Question 10

What is the chemical symbol for Lead?

Accepted Answer

Pb

Answer

Le

Answer

L

Answer

K

Question 11

What is the chemical symbol for Carbon

Accepted Answer

C

Answer

Ca

Answer

CO

Answer

Co

Question 12

How many Sodium atoms in 4NaOH?

Accepted Answer

4

Answer

0

Answer

8

Answer

1

Question 13

Tick the elements that are found in KCl

Accepted Answer

Potassium

Accepted Answer

Chlorine

Answer

Nitrogen

Answer

Carbon

Question 14

Tick the elements found in CO₂

Accepted Answer

Oxygen

Accepted Answer

Carbon

Answer

Copper

Answer

Cobalt

Question 15

Complete the sentence...

On the modern periodic table, metals are found _____________ of the staircase.

Accepted Answer

on the left hand side

Answer

on the right hand side

Answer

only along the bottom

Answer

in random places

Question 16

Complete the sentence...

On the modern periodic table, non metals are found _____________ of the staircase.

Accepted Answer

on the right hand side

Answer

on the left hand side

Answer

only along the bottom

Answer

only along the top

Question 17

How many Oxygen atoms are shown in this diagram?

Accepted Answer

2

Answer

1

Answer

0

Answer

4

Question 18

This represents a _______ molecule

Accepted Answer

Carbon monoxide

Answer

Carbon dioxide

Answer

Carbon

Answer

Carbon trioxide

Question 19

Tick the element represented by the green spheres

Accepted Answer

Chlorine

Answer

Hydrogen

Answer

Oxygen

Answer

Sodium

Question 20

How many Sodium atoms can you see in this diagram?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 21

How many Hydrogen atoms can you see in this diagram?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 22

How many chloride atoms in 3CuCl₂

Accepted Answer

6

Answer

2

Answer

3

Answer

1

Question 23

How many copper atoms in 3CuCl₂

Accepted Answer

3

Answer

2

Answer

6

Answer

1

Question 24

True or false, CO is harmful to humans.

Accepted Answer

True

Answer

False

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