Which of the following is NOT a property of an acid?
Tastes sour
Corrosive
Changes the colour of blue litmus paper to red
Has a pH value higher than 7
2. Multiple Choice
1 minute
1 pt
What gas is released when an acid reacts with an reactive metal?
Oxygen
Hydrogen
Helium
Bromine
3. Multiple Choice
45 seconds
1 pt
Which of the following is NOT a property of an alkali?
Tastes bitter
Corrosive
Changes the colour of blue litmus paper to red
Has a pH value higher than 7
4. Multiple Choice
1 minute
1 pt
Which of the following is a strong alkali?
Sodium hydroxide
Potassium nitrate
Sodium nitrate
Potassium sulphate
5. Multiple Choice
1 minute
1 pt
Which of the following is NOT a strong acid?
Ethanoic acid
Nitric acid
Hydrochloric acid
Sulphuric acid
6. Multiple Choice
1 minute
1 pt
What gas is released when an ammonium salt is heated together with an alkali?
Sulphur
Ammonia
Carbon dioxide
Oxygen
7. Multiple Choice
1 minute
1 pt
What is the pH value of vinegar?
1
7
4
11
8. Multiple Choice
1 minute
1 pt
What is the pH value of toothpaste?
1
7
14
8
9. Multiple Choice
1 minute
1 pt
What is the pH value of pure water?
7
14
4
8
10. Multiple Choice
1 minute
1 pt
What type of acid can be found in a car battery?
Ethanoic acid
Nitric acid
Hydrochloric acid
Sulphuric acid
11. Multiple Choice
1 minute
1 pt
What type of acid can be found in carbonated drinks?
Carbonic acid
Tartaric acid
Citric acid
Sulphuric acid
12. Multiple Choice
1 minute
1 pt
What method is used to study the neutralisation reaction between an acid and an alkali?
Evaporation
Titration
Sublimation
Electrolisis
13. Multiple Choice
30 seconds
1 pt
What is the process that takes place when an acid reacts with an alkali?
Titration
Evaporation
Neutralisation
Sublimation
14. Multiple Choice
30 seconds
1 pt
In a neutralisation reaction, what is the function of the indicator?
To indicate that the mixture is neutral
To indicate that hot water should be added
To indicate that the flask should be shaken
To indicate that a precipitate is formed
15. Multiple Choice
45 seconds
1 pt
What is the product of a neutralisation reaction?
Acid and alkali
Salt and water
Hydrogen and oxygen
Bromine and chlorine
16. Multiple Choice
1 minute
1 pt
In a neutralisation reaction, dilute hydrochloric acid is slowly added to a sodium hydroxide solution. What is the colour change at the end point if the indicator used is phenolphthalein?
From colourless to pink
From blue to green
From pink to colourless
From green to blue
17. Multiple Choice
45 seconds
1 pt
In a neutralisation reaction, dilute nitric acid is slowly added to a potassium hydroxide solution. What is the colour change at the end point if the indicator used is the universal indicator?
From colourless to pink
From green to blue
From pink to colourless
From blue to green
18. Multiple Choice
45 seconds
1 pt
What is the salt formed when hydrochloric acid is added to sodium hydroxide?
Potassium nitrate
Sodium nitrate
Sodium chloride
Potassium chloride
19. Multiple Choice
30 seconds
1 pt
What is the salt formed when nitric acid is added to potassium hydroxide?
Sodium chloride
Potassium nitrate
Sodium nitrate
Potassium chloride
20. Multiple Choice
1 minute
1 pt
Which chemical can be used to neutralise a wasp sting?