Topic 9 - Reactions Of Acids
11 Questions
| Total Attempts: 200
Standard Grade Chemistry course - Reactions of acids quiz
Questions and Answers
- 1.What is a neutraliser?
- A.
A substance that can neutralise an acid only
- B.
A substance that can neutralise an alkali only
- C.
A substance that can neutralise an acid or an alkali
- 2.Which box or boxes are examples of neutralisation.
- A.
Adding lime to acidic soil
- B.
Using toothpaste to neutralise mouth alkalinity
- C.
Using lemon juice to neutralise bee stings
- D.
Using lemon juice to neutralise wasp stings.
- 3.Name the salt produced when sodium carbonate reacts with sulphuric acid.
- A.
Sodium carbide
- B.
Carbon sulphide
- C.
Sodium sulphate
- D.
Sodium sulphide
- 4.Complete the following equation: Magnesium oxide + hydrochloric acid -->
- A.
Magnesium chloride + hydrogen
- B.
Magnesium chloride + water
- C.
Magnesium chloride + water + CO2
- 5.When lime is added to acidic soil, the pH will get lower.
- A.
True
- B.
False
- 6.A salt is a substance in which the ___________ ion of the acid has been replaced by a metal (or ammonium) ion.
- 7.Name the type of reaction when sodium carbonate solution is added to copper (II) sulphate solution. (You may wish to use page 5 of the data booklet).
- A.
Neutralisation
- B.
Addition
- C.
Precipitation
- D.
Oxidation
- 8.Name the gas produced when magnsium reacts with nitric acid
- A.
Hydrogen
- B.
Carbon dioxide
- C.
Nitrogen
- D.
Oxygen
- 9.What is the average volume of acid used during the following titration.Rough titre - 25.2 cm31st titre - 22.3 cm32nd titre - 22.1 cm3
- A.
22.2
- B.
23.2
- C.
44.4
- D.
69.6
- 10.How many moles of HCl acid will be used if the volume is 20 cm3 and the concentration is 0.1 mol/l.
- A.
0.02
- B.
0.002
- C.
2
- D.
0.0002
- 11.What would be the concentration of magnesium hydroxide solution if 25 cm3 was needed to neutalise the HCl acid (conc 0.1, vol 20 cm3 ).Hint: You will need to write a balanced equation
- A.
0.4 mol/l
- B.
0.04 mol/l
- C.
0.08 mol/l
- D.
0.1 mol/l
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