What Do You Know About Acids And Bases?
Acids and alkalis are incredibly important for manufacturing, and for everyday life. Some examples of things made using acids and alkalis are soaps and detergents, fertilisers, car batteries and medicines - you will have probably learnt a lot more examples during your lessons, as well as the properties of acids and alkalis.
- 1.What is an acid?
- A.
A substance that will neutralise an acid
- B.
A substance that produces H+ ions when added to water
- C.
A soluble base
- D.
A chemical which changes colour when added to acids and alkalis
- 2.What is an alkali?
- A.
A substance that will neutralise an acid
- B.
A substance that produces H+ ions when added to water
- C.
A soluble base
- D.
A chemical which changes colour when added to acids and alkalis
- 3.A substance with a pH of 6 is...
- A.
A weak acid
- B.
A strong acid
- C.
A weak alkali
- D.
Neutral
- 4.Pick the correct equation for the reaction between hydrochloric acid and iron oxide.
- A.
Hydrochloric acid + solid iron (III) oxide → iron (III) chloride solution + water
- B.
Hydrochloric acid + iron (III) oxide → iron (II) chloride solution + water
- C.
Hydrochloric acid + iron (III) oxide → iron (III) chlorate solution + water
- D.
Sulfuric acid + iron (III) oxide → iron (III) chloride solution + water
- 5.We can react an acid and an alkali together to produce a salt. The correct name for this type of chemical reaction is...
- A.
Combustion
- B.
Oxidation
- C.
Thermal decomposition
- D.
Neutralisation
- 6.When an acid and an alkali react, a salt and water are formed. Pick the correct salt produced when ammonium hydroxide reacts with nitric acid.
- A.
Ammonium chloride
- B.
Ammonium nitrate
- C.
Ammonium sulfate
- D.
Ammonium phosphate
- 7.Salts can also be made by reacting metals with acids. What gas is given off when a metal reacts with an acid?
- A.
Oxygen
- B.
Carbon dioxide
- C.
Hydrogen
- D.
Nitrogen
- 8.Precipitation reactions occur when an insoluble salt is formed. Precipitation reactions can be used in industry to...
- A.
Remove some substances from waste water
- B.
Split large molecules into smaller ones
- C.
Remove unwanted impurities from metals
- D.
Remove metals from their ores
- 9.A strong acid...
- A.
Turns universal indicator paper green
- B.
Has a high pH number
- C.
Is partially ionised in water
- D.
Is 100% ionised in water
- 10.Pick the correct combination of definitions.
- A.
Acid - proton acceptor Alkali - proton donor
- B.
Acid - proton donor Alkali - proton acceptor
- C.
Acid - proton giver Alkali - proton donor
- D.
Acid - proton acceptor Alkali - proton acceptor
Questions: 9 | Attempts: 18757 | Last updated: Mar 22, 2022
-
Sample QuestionList 3 properties of an acid?
Questions: 5 | Attempts: 11304 | Last updated: Mar 22, 2022
-
Sample QuestionPH paper is put in a solution, which turns red. What is this?
Questions: 8 | Attempts: 10031 | Last updated: Mar 22, 2022
-
Sample QuestionThe Concentration of NaOH is 0.5 M if 20 ml is needed to titrate 35 mL of acid, what is the concentration of the acid?
Back to top