Common Alkalis

Question 1

What is sodium hydroxide used in?

Answer 1

The sodium hydroxide is used in making paper, bleaching agents and it is a major ingredient in oven and drain cleaners

Question 2

What is potassium hydroxide used in?

Answer 2

Potassium hydroxide is used to produce soft soaps and liquid soaps

Question 3

What is calcium hydroxide used in?

Answer 3

Calcium hydroxide used in sewage treatment, paper production, preparation of ammonia, food processing

Question 4

What is washing powder used in?

Answer 4

Washing powder is used in washing soap destroying coating of covid viruses

Question 5

What is washing powder used for?

Answer 5

Washing powder is used to break up grease and oil into smaller globules for washing off pans

Question 6

What does toothpaste do?

Answer 6

Toothpaste neutralises the acid on your teeth

Question 7

What is the use of gaviscone?

Answer 7

Gaviscone is used to neutralise the acid from heartburn

Question 8

What is the difference between an alkali and a base?

Answer 8

All substances with pH over 7 are bases but if they are soluble they can also be called alkalis

Question 9

Give a summary of alkalis?

Answer 9

It has a pH of more than 7
They can be neutralised with acids
They dissolve in water

Question 10

Give a summary of alkalis?

Answer 10

It has a pH of more than 7
They can be neutralised with acids
They dissolve in water

Question 11

What is the difference between a base and an alkali?

Answer 11

All substances with a pH over 7 are bases if they are soluble they are also alkaline.