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10 questions
In this reactivity series, which of the following is the most reactive element?
Gold
Calcium
Zinc
Potassium
In this reactivity series, which of the following is the least reactive element?
Gold
Calcium
Zinc
Potassium
True or False:
Magnesium is more reactive than silver.
True
False
True or False:
Lead is more reactive than iron.
True
False
What type of reaction is shown by this word equation?
lead nitrate + sodium → sodium nitrate + lead
Decomposition
Thermite
Displacement
Neutralisation
In a displacement reaction, it is the ____________ reactive metal that is displaced from a compound.
Heaviest
Least
Most
Worst
In the following reaction, which metal has been displaced?
copper sulfate + magnesium → magnesium sulfate + copper
magnesium
copper
sulfate
Complete the word equation:
lithium + silver nitrate →
lithium + silver nitrate
lithium + silver nitrite
silver + lithium nitrate
silver + lithium nitrite
Complete the word equation:
lead + calcium sulfate →
lead + calcium sulfate
lead + calcium sulfide
calcium + lead sulfate
calcium + lead sulfide
Use the following observations to select the correct reactivity series (highest to lowest).
calcium + water: slow
sodium + water: fast
calcium + dilute acid: very fast
gold + dilute acid: no reaction
aluminium + dilute acid: fast
calcium, sodium, aluminium, gold
sodium, calcium, aluminium, gold
sodium, aluminium, calcium, gold
gold, aluminium, calcium, sodium
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