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Which of the following is/are the different classes of non-metallics?

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in Corrosion Engineering by (98.5k points)
Which of the following is/are the different classes of non-metallics?

(a) Ceramics and wood

(b) Plastics and ceramics

(c) Wood, ceramics, and plastic

(d) Ceramics only

The question was asked by my college professor while I was bunking the class.

The doubt is from Prevention topic in chapter Corrosion Prevention of Corrosion Engineering

1 Answer

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Best answer
Right option is (c) Wood, ceramics, and plastic

Explanation: The five general classes of non-metallics are:

Natural and synthetic rubber

Plastics

Ceramicsi

Carbon and graphite.

Wood.

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