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Point out the incorrect statement among ...

Point out the incorrect statement among the following?

A

ferric alum is commonly known as Mohr's salt.

B

Cast iron cannot be welded.

C

Heating of steel of high temperature following by quick quenching in water is called annealing.

D

Alnica is used for making utensils and automobile parts.

Text Solution

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The correct Answer is:
A, C, D
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