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 onlyThe 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

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

1.	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 onlyThe 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
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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