Question

With reference to the above diagram, which of the following relation is incorrect?
a. C iron > C copper
b. C iron > C lead
c. C copper > C lead
d. C lead > C copper​

Answer 1

$\Large{\underline{\underline{\tt{\purple{Answer !!}}}}}$

With reference to the above diagram option (D) is incorrect .

▪︎Explanation -

According to the diagram we can conclude that

C iron > C copper > C lead

And all the first three options suits the criteria but in option D it is given that C lead > C copper which is incorrect because in the diagram it is clearly shown that C copper > C lead.

Answer 2

which diagram is this????????