Acids, Alkalis, Bases and Salts

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 an acid?

Answer 5

An acid is a species which can donate a H⁺ ion.

Question 6

What is an alkali?

Answer 6

An alkali is a type of base which dissolves in water to give hydroxide ions.

Question 7

What is the formula of Sodium Hydroxide?

Answer 7

NaOH

Question 8

What is the formula of Potassium Hydroxide?

Answer 8

KOH

Question 9

What is the formula of Ammonia Gas?

Answer 9

NH₃

Question 10

What is a base?

Answer 10

A base is a species which can accept a H⁺ ion

Question 11

What is the difference between strong and weak acids?

Answer 11

Strong acids completely disassociates whilst weak acids only partially dissociate.

Question 12

What is dissociation?

Answer 12

The splitting of acids into H⁺ ions and other ions.

Question 13

What happens when a metal and an acid react?

Answer 13

Metal + Acid ——> Salt + Hydrogen

Question 14

What happens when a metal oxide and an acid react?

Answer 14

Metal Oxide + Acid ——> Salt + Water

Question 15

What happens when a metal hydroxide and an acid react?

Answer 15

Metal Hydroxide + Acid ——> Salt + Water

Question 16

What happens when a metal carbonate and an acid react?

Answer 16

Metal Carbonate + Acid ——> Salt + Water + Carbon Dioxide

Question 17

What is a salt?

Answer 17

An ionic compound where the H⁺ ion in an acid is replaced by another positive ion.