acids and alkalis · acids and alkalis what do you know? c d a b question 1 irritant flammable...

Acids and AlkalisWhat do you know?

C D

A B

Question 1

irritantA flammableB

corrosiveC poisonousDNext

This is the symbol for which hazard?

C D

BA

Question 2

acidA alkaliB

neutralC toxicDNext

Vinegar, fizzy drinks and tea are all…

C D

BA

Question 3

neutralA alkaliB

baseC acidDNext

A substance that is corrosive and has a pH lower than 7 is

classified as a what?

C D

BA

Question 4

acidificationA alkalinationB

neutralisationC explosionDNext

If the right amount of acid is added to the right amount of

alkali, what happens?

DC

BA

Question 5

alkaliA acidB

explosiveC neutralDNext

A substance with a pH greater than 7 is classified as a what?

DC

BA

Question 6

nothingA wipe it offB

lick your handC wash them with plenty of waterD

Next

What must you do if a substance with

this symbol gets on to your hand?

B

DC

A

Question 7

irritantA corrosiveB

poisonousC explosiveDNext

A substance that is able to damage stone, skin, metal and

clothes is classified as what?

C D

BA

Question 8

corrosiveA strongB

diluteC poisonousDNext

Acids that are drunk or found in foods are what type of acid?

DC

BA

Question 9

A B

C DNext

Citric acid is found in what?

vinegar

fizzy drinks

tea

lemons

B

DC

A

Question 10

teaA vitamin CB

a fizzy drinkC vinegarDFinish

Ascorbic acid is also called…

Congratulations!

• 1 to 3: neutral

• 4 to 6: dilute

• 7 to 10: strong

How did you do?