Question 20
Acids, Bases and SaltsWhich of the following substances is not a salt?
- A.Aluminium oxide
- B.Sodium hydrogentrioxosulphate(IV)
- C.Sodium trioxocarbonate(IV)
- D.Zinc chloride.
Show the answer and explanation
Answer: A (Aluminium oxide)
Explanation
Aluminium oxide is an (amphoteric) oxide; the others are salts made from an acid and a base.