Which of the following non-metals is used as a lubricant in powdered form?
a) Sulphur
b) lodin...
Physics, 21.11.2020 09:30 naomirice24
Which of the following non-metals is used as a lubricant in powdered form?
a) Sulphur
b) lodine
c) Graphite
d) Silicon
Answers: 1
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