Preparing Common Salt

Identify two uses of calcium chloride

• In herbicides

• As drying agent

• Setting concrete

• Bleaching paper

Identify two uses of zinc sulfate

• Making cosmetics

• Food processing

• In sewage treatment

• Setting concrete

State the colour of copper sulfate

• Red

• White

• Green

• Brown

• Blue

State the colour of iron chloride

• Red

• White

• Green

• Brown

• Blue

State the colour of sodium chloride

• Red

• White

• Green

• Brown

• Blue

State the colour of cobalt nitrate

• Red

• White

• Green

• Brown

• Blue

State the colour of nickel sulphate

• Red

• White

• Green

• Brown

• Blue

Magnesium reacts with hydrochloric acid to form

• Magnesium chloride

• Magnesium sulfate

• Magnesium nitrate

• Magnesium chloride and hydrogen

Zinc chloride is prepared from

• Granulated zinc and Nitric acid

• Granulated zinc and sulfuric acid

• Granulated zinc and hydrochloric acid

• Granulated zinc and sodium chloride

Calcium chloride is prepared from

• Marble chips and Nitric acid

• Marble chips and sulfuric acid

• Marble chips and hydrochloric acid

• Marble chips and sodium chloride