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How Do Metal React with Solution of Other Metal Salts

Reactivity of...

Question

Reactivity of zinc is ______ than that of hydrogen.

A

less

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B

more

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C

equal

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D

sometimes more sometimes less

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Solution

The correct option is B more
Reactivity of zinc is more than that of hydrogen as zinc is present above hydrogen in the activity series so it can displace hydrogen and it is more reactive.

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Food cans are coated with tin and not with zinc because

(a) zinc is costlier than tin.

(b) zinc has a higher melting point than tin.

(c) zinc is more reactive than tin.

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Q. Question 4
Food cans are coated with tin and not with zinc because:
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Q. Which of the following is the correct conclusion. Also, give the reason?

Observation	I	II	III
Solution after reaction	Colourless	Colourless	Colourless
Metal Deposited	Zn	Cu	Fe

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(b) Al is more reactive than Cu but less reactive than Zn and Fe
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How Do Metal React with Solution of Other Metal Salts

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