Acids and Bases

Question 1

Name three acids found in the school laboratory

Answer 1

Hydrochloric Acid, Nitric Acid, and Sulfuric Acid

Question 2

What is the difference between a concentrated acid and a dilute acid?

Answer 2

Concentrated acids contain a large amount of acid particles and a small amount of water, whilst dilute acids contain a large amount of water and a small amount of acid particles

Question 3

What is the difference between a base and an alkali?

Answer 3

Bases remove hydrogen ions from a solution whilst alkali dissolves in water and releases hydroxide ions

Question 4

What happens when a base comes in contact with an alkali?

Answer 4

It will produce soap

Question 5

Name the atom which all bases contain

Answer 5

Hydroxide

Question 6

What is the pH scale used for?

Answer 6

To measure how acidic or basic a solution is

Question 7

A very strong acid will have a pH of…

Answer 7

1

Question 8

A very strong base will have a pH of…

Answer 8

14

Question 9

Solutions such as pure water will have a pH of…

Answer 9

7

Question 10

Are bases blue or red in litmus paper?

Answer 10

Red

Question 11

Are acids blue or red in litmus paper?

Answer 11

Blue

Question 12

What households items could be used as a universal indicator?

Answer 12

Red cabbage, tea, beetroot, turmeric, and cranberry juice,

Question 13

What causes acid rain?

Answer 13

When smoke evaporates it turns water in the air more acidic, thus creating acidic rain

Question 14

Name the atom which all acids contain

Answer 14

Hydrogen