Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Loading
×
eraser
Reset score!
Oops!
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 10 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
20
×
Give one example of triprotic acid
phosphoric acid, H3PO4
Oops!
Check
Okay!
Check
20
×
What is the meaning of acids?
Chemical substances ionise in water to produce hydrogen ions
Oops!
Check
Okay!
Check
20
×
Carbonic acid is a mineral acid with formula, H2CO3. What is the basicity of carbonic acid?
Diprotic acid
Oops!
Check
Okay!
Check
×
trap
No points!
Oops!
×
gift
Win 25 points!
Okay!
×
gift
Win 10 points!
Okay!
×
thief
Give points!
5
10
15
20
25
5
×
Turns litmus paper from red to blue
Alkali
Oops!
Check
Okay!
Check
25
×
Give two substances that ionize partially in water
ammonia, Ethanoic acid
Oops!
Check
Okay!
Check
15
×
Name the particles in a solution of hydrogen chloride is responsible for its acidity properties?
Hydrogen ion
Oops!
Check
Okay!
Check
25
×
Diagram shows an egg shell in a beaker containing vinegar. What is X?
Hydrogen gas
Oops!
Check
Okay!
Check
15
×
A ................ is a subtance that reacts with acids to produce salt and water only.
base
Oops!
Check
Okay!
Check
25
×
What is the meaning of alkalis?
Chemical substances that ionise in water to produce hydroxide ions
Oops!
Check
Okay!
Check
5
×
Give one example of strong acid
Hydrochloric acid, sulphuric acid, nitric acid
Oops!
Check
Okay!
Check
25
×
Adding liquid X to water decreases its pH. This show that liquid X is....
Acid
Oops!
Check
Okay!
Check
×
eraser
Reset score!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 5 points!
Oops!
10
×
What is the formula to calculate the pH value of acid
pH = -log [H+]
Oops!
Check
Okay!
Check
5
×
Give one example of weak alkalis
ammonia
Oops!
Check
Okay!
Check
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies