12 Questions
Which metal is the most reactive based on the reactivity series mentioned in the text?
Potassium
Which metal is commonly used for hot water pipes due to its resistance to corrosion?
Copper
Why are carbon and hydrogen included in the reactivity series even though they are not metals?
They show similar reactivity patterns to metals.
Why are tin and aluminium preferred for making food cans?
They do not react with food.
How can the order of reactivity of metals be determined?
By their reaction with water, steam, and dilute hydrochloric acid.
What is the significance of arranging metals according to their reactivity?
To choose the appropriate metal for specific purposes based on reactivity.
Which metal reacts more violently with cold water than sodium?
Potassium
Which metal does not react at all with cold water?
Silver
Which metal reacts violently with steam?
Magnesium
Which metal reacts slowly with dilute hydrochloric acid?
Iron
Which metal gives off hydrogen gas when reacting with steam?
Iron
Based on the reactions described, which metal is placed highest in the reactivity series?
Potassium
Test your knowledge on the reactivity series of metals by placing calcium, copper, iron, lead, magnesium, potassium, silver, sodium, and zinc in order of reactivity. Identify the most reactive and least reactive metals based on their reactions.
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