Chapter Salt Form 4

Which of the following best defines the term 'salt'?

• It is salty in taste

• Contains sodium ions and chloride ions

• It is an ionic compound

• Formed when hydrogen ion in acid is replaced by a metal ion or ammonium ion

Which of the following is a soluble salt?

• Calcium sulphate

• Silver chloride

• Sodium carbonate

• Lead (II) sulphate

Which of the following is a salt and soluble in water?

• Sodium hydroxide

• Aluminium oxide

• Magnesium nitrate

• Calcium carbonate

The following salts are soluble except...

• Copper(II) carbonate

• Copper(II) sulphate

• Copper(II) nitrate

• Copper(II) chloride

Nitric acid will change to nitrate salt when hydrogen ions are replaced by... (More than one answer)

• Copper(II) ion

• Hydroxide ion

• Carbonate ion

• Ammonium ion

Which of the following are suitable to prepare copper(II) chloride? (More than one answer)

• Copper(II) nitrate and sodium chloride

• Copper metal and hydrochloric acid

• Copper(II) oxide and hydrochloric acid

• Copper(II) carbonate and hydrochloric acid

When salt K is added into sulphuric acid, a gas is released which turns lime water cloudy. What is salt K?

• Zinc nitrate

• Calcium carbonate

• Ammonium chloride

• Copper(II) sulphate

Which of the following are the products for the reaction between zinc powder and dilute nitric acid?

• Zn(NO₃)₂

• Zn(NO₃)₂ and H₂O

• Zn(NO₃)₂ and H₂

• Zn(NO₃)₂ , CO₂ and H₂O

What is the process shown in the above diagram?

• Purification of insoluble salt

• Purification of soluble salt

• Preparation of insoluble salt

• Preparation of soluble salt

Which pair of solutions when combined will produce an insoluble salt?

• Hydrochloric acid and magnesium nitrate

• Sodium chloride and iron(II) sulphate

• Nitric acid and potassium carbonate

• Barium chloride and sodium sulphate