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WorksheetsAcids and Bases
Total questions: 10
Worksheet time: 5mins
Three types of alkalis can react with acids to produce salt and water. What are they?
Metal chloride, oxide and peroxide
Metal sulfide, hydroxide and carbonate
Metal oxide, carbonate and hydroxide
Metal fluoride, oxide and hydroxide
Which of the following neutralisation reactions produces a gas of carbon dioxide?
Hydrochloric acid and metal oxide
Nitric acid and metal hydroxide
Sulfuric acid and metal
Nitric acid and metal carbonate
The formulas of the three most common acids we use in school are
HCl, HNO3, H2SO4
HNO3, H2SO4, CH3COOH
H2SO4, NH3, H2CO3
H2CO3, H2SO3, HCl
The MAIN acid that causes acid rain is
H2SO4
HNO3
H2SO3
H2CO3
Insoluble metal oxides can change the colour of pH paper to
Red
Blue
No effect
Green
Soluble non-metal oxides dissolve in water to produce
neutral solutions
acids
universal indicators
alkalis
Soluble metal oxides dissolve in water to produce
neutral solutions
acids
universal indicators
alkalis
What happened to the pH of the acid as it became more dilute?
The pH decreased
The pH stayed the same
The pH increased
None of the above
What happened to the concentration of the hydroxide ions as the alkali became more dilute?
The concentration of the hydroxide ions increased
The concentration of the hydroxide ions decreased
The concentration of the hydroxide ions remained unaffected with the dilution of the alkalis
The concentration of the hydroxide ions decreased
In conductivity, concentrated acids or alkalis are considered to be
very bad conductors of electricity
weak conductors of electricity
excellent conductors of electricity
resistant to electricity
