Grade 7: Oxides, hydroxide, sulfate and carbonate

If the mineral's chemical formula is BaSO₄ which mineral group is the mineral in? 

• silicates
• carbonates
• halides
• sulfates

What elements are in sulfates?

• nonmetals

• metals

• sulfur and a metal

• sulfur, oxygen and metals

What elements are in oxides?

• only oxygen
• oxygen and a metal
• metals
• nonmetals

If the mineral's chemical formula is CaCO₃, what group is the mineral in? 

• silicates
• carbonates
• sulfates
• oxides

If the mineral's chemical formula is Cu₂O (Copper Oxide), what mineral group is the mineral in?

• oxides
• halides
• carbonates
• silicates

How are metal oxides formed?

• When metals react with oxide.
• When metals react with water.
• When metals react with air.
• When metals react with oxygen.

Which of the following is the product of the reaction of aluminium and oxygen?

• aluminium oxide.
• metal oxide
• aluminium ore
• aluminium and oxygen

What type of oxide is:

Nitrogen Dioxide

• Amphoteric Oxide

• Basic Oxide

• Neutral Oxide

• Acidic Oxide

What type of oxide is:

Copper (II) Oxide

• Amphoteric Oxide

• Basic Oxide

• Neutral Oxide

• Acidic Oxide

What type of oxide is:

Carbon Dioxide

• Amphoteric Oxide

• Basic Oxide

• Neutral Oxide

• Acidic Oxide