Unit 5: Revision

What salt will produce carbon dioxide when it reacts with an acid?

• nitrate

• phosphate

• carbonate

• citrate

An alkali of sodium that reacts with hydrochloric acid to form sodium chloride and water.

What is the salt produced when copper hydroxide reacts with sulfuric acid?

• copper oxide

• copper sulfate

• copper sulfite

• copper sulfide

Which of the following metal is the most reactive?

• lead

• silver

• magnesium

• potassium

What is the correct formula of nitric acid?

• HNO

• HNO2 

• HNO3

• H2NO3

Which acid produces carbonate salt?

• citric acid

• hydrocarbonic acid

• carbonic acid

• carbonous acid

Copper hydroxide and nitric acid produces this salt.

• copper nitride

• copper nitrate

• copper nitrite

• copper monoxide

What are the products of a neutralization reaction?

• salt and hydrogen

• salt and water

• salt and oxygen

• salt and carbon dioxide

TRUE or FALSE: After a chemical reaction, the sum of the mass of the reactants will be equal to the sum of mass of the products.

• TRUE

• FALSE

What are the products of calcium carbonate and hydrochloric acid?

• calcium chloride + water + carbon dioxide

• calcium chloride and hydrogen gas

• calcium chloride and carbon dioxide

• calcium chloride + carbon dioxide + hydrogen gas