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WorksheetsNYGH - Acids and Bases
Total questions: 15
Worksheet time: 17mins
Which of the following metals will react with dilute acid?
iron
copper
silver
gold
Which of the following reactions will not produce a gas?
calcium carbonate + ethanoic acid
barium oxide + citric acid
ammonium sulfate + sodium hydroxide
magnesium + sulfuric acid
A gas produced from a reaction was bubbled into limewater. A white precipitate was formed.
What is the formula of the white precipitate?
Ca(OH)2
CaO
CaCO3
CO2
Which of the following is not a use of sulfuric acid?
fertiliser
detergent
in car batteries
food preservative
Which of the following statements must be true for all acids in aqueous solution?
Their pH value is less than 7.
They completely ionise to produce hydrogen ions.
They react with all metals to produce hydrogen gas.
Dibasic acids are stronger than monobasic acids.
Which of the following pairs of substances cannot react with each other?
Limewater & aqueous ammonium sulfate
Dilute nitric acid & calcium hydrogencarbonate
Aqueous sodium hydroxide & zinc oxide
Aqueous potassium chloride & magnesium oxide
An accident occurred in a school chemistry laboratory and some nitric acid was spilled. Which substance, when added in excess, will neutralise the acid without leaving behind an alkaline solution?
Aqueous ammonia
Calcium carbonate
Sodium hydroxide
Water
In which reaction is hydrochloric acid not behaving as an acid?
HCl + AgNO3 → AgCl + HNO3
2HCl + CaCO3 → CaCl2 + H2O + CO2
2HCl + CuO → CuCl2 + H2O
2HCl + Fe → FeCl2 + H2
Which of the following statements about aqueous calcium hydroxide are true? (multiple answers)
It conducts electricity.
It turns Universal Indicator red.
It liberates ammonia gas when heated with an ammonium salt.
It liberates carbon dioxide when reacted with aqueous sodium carbonate.
Which of the following is a neutralization reaction?
2H2 + O2 → 2H2O
KCl + AgNO3 → AgCl + KNO3
KOH + HCl → KCl + H2O
K2CO3 + H2SO4 → K2SO4 + CO2 + H2O
Which of the following gases, when bubbled into water, will produce a solution with a pH greater than 7?
ammonia
carbon monoxide
chlorine
hydrogen
Which two substances react to produce a salt and water only? (multiple answers)
magnesium & hydrochloric acid
magnesium carbonate & hydrochloric acid
magnesium hydroxide & hydrochloric acid
magnesium oxide & hydrochloric acid
Which statement DOES NOT describe a property of a weak acid in solution?
It forms a salt with sodium hydroxide.
It has a pH of between 8 and 9.
It only partially ionises to form hydrogen ions when dissolved in water.
It reacts with sodium carbonate to produce carbon dioxide gas.
Which of the above acids would have the lowest pH when dissolved in water?
ethanoic acid
citric acid
hydrochloric acid
sulfuric acid
The above titration curve shows the pH change when _________ .
a strong base is added to a strong acid.
a strong acid is added to a weak base.
a weak base is added to a strong acid.
a weak acid is added to a strong base.
