Formulae

What is the formula of sulfuric acid?

• H₂SO₂

• H₂SO4

• H₂S

What is the formula of ammonium nitrate?

• NH₃NH

• NH₄⁺

• NH₄NO₃

• NH₄(NO₃)₂

What is the correct chemical equation for the reaction between potassium oxide and nitric acid?

• 2HNO₃ + K₂O → 2 KNO₃ + H₂O

• 2HNO₃ + KO → KNO₃ + H₂O

• HNO₃ + K₂O → 2 KNO₃ + H₂O

What is the name of the products formed when ammonium sulfate reacts with Sodium hydroxide?

What is the formula of carbonate ion?

• CO₂^2-

• CO₃^2-

• CO^-

What is the ion responsible for acidic property of HCl?

How many atoms are shown by the formula Pb(NO₃)₂?

How many elements are there in one molecule of ammonium nitrate, NH₄NO₃?

What is the formula of the compound formed between magnesium ion and oxide ion?

Element X is from Group III.

Element Y is from Group VII.

What is the formula of the compound formed between element X and Y?

• XY

• X₂Y

• XY₂

• XY₃