Acids

Question 1

Name three examples of strong acids

Answer 1

Hydrochloric acid, sulfuric acid and nitric acid

Question 2

Why are strong acids mixed with a lot of water before used in a science lab?

Answer 2

strong acids are dangerous and often react violently or release heat/fumes when used directly, so they’re diluted with plenty of water to make them safer, easier to control,

Question 3

What is the pH of a strong acid

Answer 3

The pH of a strong acid is usually between 0-2

Question 4

What is the pH of a weak acid?

Answer 4

The pH of a weak acid is normally 3-6

Question 5

List three examples of a weak acid

Answer 5

-Ethanoic acid (vinegar)
-Citric acid (citrus fruits)
-Carbonic acid (found in fizzy drinks)

Question 6

What do acids taste like?

Answer 6

They taste sour

Question 7

What color do acids turn blue litmus paper

Answer 7

Acids turn blue litmus paper red

Question 8

Are acids corrosive?

Answer 8

Yes!

Question 9

What is the acid inside your stomach called?

Answer 9

Its called hydrochloric acid

Question 10

What happens when an acid reacts with a base?

Answer 10

It forms water and salt

Question 11

Why is it important to add acid to water and not the other way around when diluting?

Answer 11

Mixing releases a lot of heat. If you add water into an acid, the water can boil instantly and cause acid to splash out. Adding acid to water is safer.

Question 12

Name 2 acids with plant origins

Answer 12

-Citric acid(citric fruits)
-tartaric acid(grapes

Question 13

Name 3 acids with animal origins

Answer 13

-Hydrochloric acid (mammalian stomachs)
-lactic acid (musles)
uric acid (urine)