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