carbon and its compounds class 10 mcq
The density of graphite is
1. 3.51 gm/c.c
2. 3.15 gm/c.c
3. 2.25 gm/c.c
4. 2.52 gm/c.c
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Which of the following is a good conductor of electricity
1. Graphite
2. Diamond
3. Coke
4. Charcoal
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The following is used as a lubricant
1. Diamond
2. Graphite
3. Coal
4. Charcoal
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In diamond carbon atoms are in
1. Tetra hedral arrangement
2. Octogonal arrangement
3. Square planner arrangement
4. Linear arrangement
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