Chemical Formula Practice

The formula of sodium sulphate is

• NaSO₄

• Na₂SO₄

• Na(SO₄)₂

• Na₂(SO₄)₃

The name of Cu(OH)₂ is

• copper hydroxide

• copper(I) hydroxide

• copper(II) hydroxide

The formula of iron(II) hydroxide is

• FeOH₂

• FeOH

• Fe(OH)₂

• Fe(OH)₃

The formula of calcium hydroxide is

• CaOH

• Ca(OH)₂

• Ca(OH)₃

The formula of magnesium chloride is

• MgCl

• MgCl₂

• MgCl₃

The formula of iron(III) oxide is

• FeO

• FeO₂

• Fe₂O

• Fe₂O₃

The formula of sulphuric acid is

• HSO₄

• H₂SO₄

• H₂SO₃

• H₂SO₃

Which of the following compound is not an acid?

• HCl

• H₂SO₄

• HNO₃

• CH₄

What is the name of ion that is present in all acids?

• hydrogen ion

• hydroxide ion

• nitrate ion

• sulfate ion

What is the name of the compound with chemical formula FeCl₂?

• iron chloride

• iron (II) chloride

• iron (I) chloride

• iron dichloride