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15 questions
Which of the following properties describe an acid?
insoluble in water
sour
pH is less than 7
corrosive
Which ion is responsible for the acidic properties of hydrochloric acid?
HCl
H+
OH-
H2O
Which of the following substances will react with nitric acid to produce effervescence?
zinc metal
zinc hydroxide
zinc sulfate
zinc carbonate
What is the name of the reaction between an acid and an alkali?
Sulfuric acid reacts with sodium carbonate to form
hydrogen gas
carbon dioxide gas
sodium sulfate
water
Which of the following is not a physical property of a base?
pH is more than 7
soapy
bitter
turns moist blue litmus paper red
Which of the following substances is an alkali?
aqueous ammonia
barium hydroxide
magnesium hydroxide
aluminium hydroxide
How are alkalis related to bases?
It refers to strong bases.
It refers to soluble bases.
It refers to bases which react with acids.
It is another name for bases.
Which of the following substances will not react with sodium hydroxide?
sulfuric acid
chlorine
aqueous ammonia
ammonium sulfate
Alkalis react with ammonium salts to form
salt and hydrogen gas
salt and water
salt, water and ammonia gas
salt, water and carbon dioxide gas
Which is the most suitable method to make an insoluble salt?
crystallisation
precipitation
titration
reaction of an acid with excess insoluble reactant
Choose 2 suitable reactants that can be used to make sodium chloride.
sodium nitrate
sodium hydroxide
magnesium chloride
hydrochloric acid
Choose two suitable reactants that can be used to make barium sulfate.
lead(II) sulfate
potassium sulfate
barium nitrate
barium metal
Which of the following oxides do not react with acids or bases?
carbon dioxide
carbon monoxide
nitrogen dioxide
nitrogen monoxide
Which of the following oxides reacts with both acids and bases?
aluminium oxide
iron(II) oxide
phosphorus oxide
copper(II) oxide
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