8.6_Types of oxides

Which statement is true of basic oxides? (Select all that apply)

• They are oxides of metals.

• They dissolve in water to form acids.

• They react with acids to form salt and water.

• They react with bases to form salts and water.

Which statement is false of acidic oxides? (Select all that apply)

• They are oxides of non-metals.

• They dissolve in water to form acids.

• They do not react with acids or alkalis.

• They react with alkalis to form salt and water.

Which statement is true of amphoteric oxides? (Select all that apply)

• They are mostly insoluble in water.

• They do not react with acids and alkalis.

• They react with acids to form salt and water.

• They react with akalis for form salt and water.

Carbon monoxide, water and nitrogen monoxide are examples of _____________ oxides.

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.

Select the amphoteric oxides.

• aluminium oxide

• carbon dioxide

• lead(II) oxide

• potassium oxide

• zinc oxide

Which of the following is an acidic oxide? (Select all that apply)

• SO₂

• H₂O

• CO

• ZnO

Which of the following is a neutral oxide? (Select all that apply)

• SO₂

• H₂O

• CO

• ZnO

Which of the following is a basic oxide? (Select all that apply)

• SO₂

• Na₂O

• CuO

• ZnO

Which oxide is able to react with nitric acid (HNO₃)? (Select all that apply)

• MgO

• CO₂

• NO₂

• CO

• PbO