Acid And Alkalis

Question 1

Hydrochloric acid

Answer 1

Made in the human stomach to help the body digest food

Question 2

Sulfuric acid

Answer 2

Used in car batteries

Question 3

Nitric acid

Answer 3

Used to make fertilisers

Question 4

Chemical name for lime

Answer 4

Calcium hydroxide

Question 5

Ammonia

Answer 5

Used to make fluids which clean silver and brass

Question 6

Magnesium hydroxide

Answer 6

Used to make indigestion remedies

Question 7

Lime- Calcium hydroxide

Answer 7

Used to treat soil which is too acidic for plants to grow properly

Question 8

Caustic soda-Sodium hydroxide

Answer 8

Used to make oven cleaners and drain cleaners

Question 9

Strong Acid

Answer 9

0-3

Question 10

Weak acid

Answer 10

4-6

Question 11

Weakly acid

Answer 11

4-6

Question 12

Neutral

Answer 12

Green 7

Question 13

Weakly alkaline

Answer 13

8-10

Question 14

Weakly-Strongly Alkaline

Answer 14

Blue 10-11

Question 15

Strongly Alkaline

Answer 15

Purple 12-14

Question 16

Alkalis and bases

Answer 16

Alkalis and bases are often confused with each other. They are similar but not the same.

Question 17

Alkalis and bases

Answer 17

A substance is called a base if it is a metal oxide or metal hydroxide
E.g. copper oxide

Question 18

Alkalis and bases

Answer 18

A base that is soluble in water is called an alkali

Question 19

World equation associated with neutralisation reactions

Answer 19

Acid+Alkali=Salt+Water