On the pH scale, what does the colour green signify?
Neutral
Oops!
Check
Okay!
Check
heart
Other team wins 5 points!
Oops!
shark
Other team loses 5 points!
Okay!
fairy
Take points!
5
10
15
20
25
baam
Lose 15 points!
Oops!
15
What is the pH level of water?
7
Oops!
Check
Okay!
Check
lifesaver
Give 25 points!
Oops!
magnet
Take 15 points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
Which is a base? "Coffee" or "Baking Soda"
Baking Soda
Oops!
Check
Okay!
Check
15
What PH number would be an example of a mild base? 14 - 9- 5 - 1
9
Oops!
Check
Okay!
Check
heart
Other team wins 20 points!
Oops!
seesaw
Swap points!
Okay!
fairy
Take points!
5
10
15
20
25
banana
Go to last place!
Oops!
15
On the pH scale, what does the colour blue signify?
Base
Oops!
Check
Okay!
Check
15
Anything with a pH lower than 7 is considered a(n):
acids
Oops!
Check
Okay!
Check
15
Which of these substances is acidic? Tap Water - Lemon - Ammonia - Baking Soda
Lemon
Oops!
Check
Okay!
Check
15
A pH level of 2 means that it is a(n):
(strong) acid
Oops!
Check
Okay!
Check
15
If something has a pH of 8, is it a strong base, weak base, strong acid or weak acid?
weak base
Oops!
Check
Okay!
Check
15
What do acids and bases have in common? They both eat away at metal. - They can both conduct electricity-. They both have a sour taste-. They both form positively charged ions when dissolved in water.
They can both conduct electricity
Oops!
Check
Okay!
Check
15
A pH level of 13 means that it is a(n):
(strong) base
Oops!
Check
Okay!
Check
15
What colour does litmus paper turn when added to an alkali? Blue -Red- Green - Colourless
