Permanent magnets are made of high carbon steel and A. 15% of cobalt B. 20% of cobalt C. 35% of…

Permanent magnets are made of high carbon steel and

A.	15% of cobalt
B.	20% of cobalt
C.	35% of cobalt
D.	45% of cobalt.

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32.	Plastics are compounds of carbon with element
	A. hydrogen B. nitrogen C. oxygen D. All of these. View Answer Workspace Report Discuss in Forum

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33.

Pick up the correct statement from the following:

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A.	The plastic bottles are made by the process of blowing
B.	The plastic sheets are made