Which of the following is drawback of VIR?

Which of the following is drawback of VIR?

Q. Which of the following is drawback of VIR?

A.            Sulphur reacts very quickly with air

B.            sulphur reacts very quickly with copper

C.            sulphur reacts very quickly with moisture

D.            sulphur reacts very quickly with insulation

Answer: sulphur reacts very quickly with copper

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