Carbon and Its Compounds MCQ Test Online
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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Which of the following insoluble in water?
1. Diamond
2. Graphite
3. Both (1) and (2)
4. None of these
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The refractive index of diamond is
1. 4.3
2. 2.41
3. 4.5
4. 5.42
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The density of diamond is
1. 2.25 gm/cc
2. 3.51 gm/cc
3. 2.52 gm/c.c
4. 3.15 gm/cc
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Which among the following allotropic forms of Carbon is amorphous
1. Diamond
2. Graphite
3. (1) and (2)
4. Coal
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Which among the following allotropic forms of carbon is crystalline solid
1. Diamond
2. Coal
3. Coke
4. Lamp black
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Which of the following element exhibits allotropy
1. Nitrogen
2. Berelium
3. Carbon
4. Boran
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