2.1.14 Acids and Bases

Question 1

What is the formula of sulphuric acid?

Answer 1

H2SO4

Question 2

What is the formula of hydrochloric acid?

Answer 2

HCl

Question 3

What is the formula of nitric acid?

Answer 3

HNO3

Question 4

What is the formula of ethanoic acid?

Answer 4

CH3COOH

Question 5

What is the formula of sodium hydroxide?

Answer 5

NaOH

Question 6

What is the formula of potassium hydroxide?

Answer 6

KOH

Question 7

What is the formula of ammonia?

Answer 7

NH3

Question 8

What is an acid?

Answer 8

A chemical that is a proton donor and releases H+ (aq) in solution.

Question 9

What is an alkali?

Answer 9

A chemical that reacts with an acid and is soluble in water releasing hydroxide ions.

Question 10

What is meant by a strong acid?

Answer 10

An acid that fully, or almost fully, dissociates in solution.

Question 11

What is meant by a weak acid?

Answer 11

An acid that only partially dissociates in solution.

Question 12

How is ammonia a weak base?

Answer 12

Ammonia is a gas that dissolves in water to form a weak alkaline solution.

Question 13

What is an amphoteric substance?

Answer 13

A substance that can behave as an acid and a base.

Question 14

What is a base?

Answer 14

A chemical that can react with acids and is a proton acceptor.