Salts

Which of the following is NOT part of the definition of salt?

• Ionic compound

• when hydrogen ion of an acid

• is replaced by a metal or ammonium ion

• contains hydrogen ions

What is the correctly written chemical formula for the ionic compound, strontium oxide?

• Sr₂O

• SrO₂

• Sr₂O₂

• SrO

What is the correctly written chemical formula for the ionic compound, potassium nitride?

• KN

• K₃N

• KN₃

• KNO₃

Name the ionic compound, Na₃N.

• sodium nitrate

• trisodium nitrate

• sodium nitride

• sodium nitrite

Sodium hydroxide + sulphuric acid —> ...?

• sodium carbonate
• sodium sulphate

The following equation represents a reaction between a metal and an acid.

Zn+HCl --> salt + H₂

Which of the following options shows the name of the salt and its solubility?

• zinc, insoluble

• zinc oxide, insoluble

• zinc chloride, soluble

• hydrochloric acid, soluble