Acids and Bases Reactions

Zn(OH)₂ is an example of a __________.

• acid

• base

• salt

What is the chemical formula for sulfuric acid?

• HSO₄

• HNO₃

• H₂SO₄

• H₃SO₄

Which two substances react to give a salt and water only?

• copper(II) oxide and ethanoic acid

• magnesium and sulfuric acid

• sodium oxide and water

• zinc carbonate and hydrochloric acid

Complete the following reaction:

HCl + Mg(OH)₂ → ???

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Sulfuric acid reacts with sodium hydroxide to form salt X and water. Name the salt formed.

• sodium nitrate

• sodium sulfate

• sodium sulfide

• sulfuric hydroxide

In a neutralization reaction, what are the products of a reaction between an acid and a base?

• salt + hydrogen

• salt + carbon dioxide

• salt + water

• salt + water + hydrogen

Identify the salt in the following equation:

Zn(OH)₂ + HNO₃ → H₂O + Zn(NO₃)₂

• Zn(OH)₂

• HNO₃

• H₂O

• Zn(NO₃)₂

Complete the following reaction:

Sulfuric acid + sodium carbonate → ???

• carbon dioxide + water

• calcium carbonate + water + carbon dioxide

• sodium sulfate + water + carbon dioxide

• sodium chloride + water + carbon dioxide

Identify the type of reaction for the following reaction:

HCl + Zn → ZnCl₂ + H₂

• acid and oxide

• acid and metal

• acid and hydroxide

• acid and carbonate

The pH of a solution is tested, and it is found to be a basic solution. What could its pH have been?

• 3

• 9

• 7

• 5