Question

Q2 Explain corrosion in different metals
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Answer 1

Answer:

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Answer 2

Explanation:

• Rate of corrosion in basic medium is in the decreasing order from brass to aluminium.

the order of rate of corrosion is as below :

brass > zinc > iron > aluminium

• when these metal were coupled the rate of corrosion was in the

decreasing order from

Brass + Aluminium > Brass + zinc > Iron + aluminium

• Temperature and time of reaction were constant i,e, temperature was 21° C

and time of reaction was 24 hours.