KS3 Chemistry

How many atoms of oxygen are there in water? H₂O

• 1
• 2
• 0

How many atoms of sulphur are in sulphuric acid? H₂SO₄

• 6
• 2
• 4
• 1

How many atoms are there all together in HCl?

• 1
• 2
• 3

What are the different elements in carbon dioxide?

• carbon
• cobalt and oxygen
• oxygen and carbon
• oxide and carbon

How many atoms are there all together in Magnesium hydroxide? Mg(OH)₂

• 3
• 5
• 2

How many different elements make up nitric acid? HNO₃

• 1
• 5
• 3

What elements make up Copper sulphate? CuSO₄

• copper, sulphate
• copper, sulphur
• copper, sulphur and oxygen
• copper and oxygen

How many atoms in total are there in nitric acid? HNO₃

• 3
• 6
• 5

Acid + Metal --> ?

• Salt + Water
• Salt + Hydrogen
• Salt
• Hydrogen

Tags

NGSS.MS-PS1-2

Iron + Hydrochloric acid --> ?

• iron sulfate + water
• iron + hydrogen
• iron chloride + hydrogen
• iron chloride + water