Question 1

Which of the following statements best describes a strong acid?

Accepted Answer

A strong acid completely ionizes in water, releasing all its hydrogen ions.

Question 2

Which of the following is a correct balanced equation for the reaction of sulfuric acid with sodium hydroxide?

Accepted Answer

$$ \mathrm{H_2SO_4} + 2\mathrm{NaOH} \rightarrow \mathrm{Na_2SO_4} + 2\mathrm{H_2O} $$

Question 3

Which indicator turns red in acidic solutions and blue in basic solutions?

Accepted Answer

Litmus

Question 4

What is the pH range for a solution to be considered acidic?

Accepted Answer

pH less than 7

Question 5

Which of the following acids is classified as a mineral acid?

Accepted Answer

Hydrochloric acid ($$ \mathrm{HCl} )$$

Question 6

A student mixes calcium oxide with water. What is the product formed?

Accepted Answer

$$ \mathrm{CaO} + \mathrm{H_2O} \rightarrow \mathrm{Ca(OH)_2} $$

Question 7

Which of the following is a property of bases?

Accepted Answer

They turn red litmus paper blue.

Question 8

Which salt is formed when hydrochloric acid reacts with sodium hydroxide?

Accepted Answer

Sodium chloride ($$ \mathrm{NaCl} )$$

Question 9

Which of the following is a weak acid?

Accepted Answer

Acetic acid ($$ \mathrm{CH_3COOH} )$$

Question 10

Which of the following reactions is an example of neutralization?

Accepted Answer

$$ \mathrm{HCl} + \mathrm{NaOH} \rightarrow \mathrm{NaCl} + \mathrm{H_2O} $$

Question 11

Which of the following salts is classified as a double salt?

Accepted Answer

Potash alum ($$ \mathrm{K_2SO_4} \cdot \mathrm{Al_2$(SO_4$)_3} \cdot 24\mathrm{H_2O} )$$

Question 12

Which of the following is NOT a property of acids?

Accepted Answer

They have a bitter taste.

Question 13

Which of the following is the correct formula for magnesium hydroxide?

Accepted Answer

$$ \mathrm{Mg(OH)_2} $$

Question 14

Which of the following is a use of sodium carbonate ($$ \mathrm{Na_2CO_3} $$)?

Accepted Answer

Manufacture of glass and soap

Question 15

Which of the following equations represents the preparation of copper sulfate from copper oxide?

Accepted Answer

$$ \mathrm{CuO} + \mathrm{H_2SO_4} \rightarrow \mathrm{$$CuSO_4$$} + \mathrm{H_2O} $$

Question 16

Which of the following is an example of a basic salt?

Accepted Answer

Sodium carbonate ($$ \mathrm{Na_2CO_3} )$$

Question 17

Which of the following is a correct statement about neutral salts?

Accepted Answer

Neutral salts are formed when all the H+ ions of an acid are replaced by metal ions.

Question 18

Which of the following is a correct use of hydrochloric acid ($$ \mathrm{HCl} $$)?

Accepted Answer

Cleaning metals

Question 19

Which of the following is the correct formula for ammonium chloride?

Accepted Answer

$$ \mathrm{NH_4Cl} $$

Comprehensive Study Notes: Acids, Bases, and Salts

Study Guide - Practice Questions