Acids and Bases

Question 1

What is an acid?

Answer 1

An acid is a molecule that releases hydrogen ions (H+) when it reacts with water

Question 2

What are the three common acids you should know?

Answer 2

Hydrochloric acid, Sulphuric acid, Nitric acid

Question 3

What is a base?

Answer 3

A base is what contains hydroxide ions, when alkalis react with water, they release hydroxide ions.

Question 4

What is a pH scale?

Answer 4

The pH sclae measures how acidic or basic a compound is

Question 5

What values on the pH determine if a solution is acidic, neutral and basic?

Answer 5

below 7 = acidic
7 = neutral
above 7 = base

Question 6

What happens in a neutralisation reaction?

Answer 6

Its where an acid and a base have a reaction where the products end up neutral.

Question 7

What is the word equation for neutralisation?

Answer 7

Acid + Base –> salt + water

Question 8

Word equation for acid + carbonate?

Answer 8

Acid + carbonate –> salt + water + carbon dioxide