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Which of the following is used as a lubricant ?
A
Graphite
B
Silica
C
Iron
D
Diamond
Answer:
A. Graphite
Related Questions:
The element having no neutron in the nucleus of its atom :
Identify the element which shows variable valency ?
ഒന്നാം ലോകമഹായുദ്ധത്തിൽ രാസായുധമായി ഉപയോഗിച്ച മൂലകം ഏത് ?
Sylvite is the salt of
The Element which is rich in most leafy vegetables is:
