carbon and its compounds class 10 mcq
The following is used as a lubricant
1. Diamond
2. Graphite
3. Coal
4. Charcoal
Answers in
Last Page >>>
In diamond carbon atoms are in
1. Tetra hedral arrangement
2. Octogonal arrangement
3. Square planner arrangement
4. Linear arrangement
Answers in
Last Page >>>
Which of the following insoluble in water?
1. Diamond
2. Graphite
3. Both (1) and (2)
4. None of these
Answers in
Last Page >>>
The refractive index of diamond is
1. 4.3
2. 2.41
3. 4.5
4. 5.42
Answers in
Last Page >>>
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
Answers in
Last Page >>>
Which among the following allotropic forms of Carbon is amorphous
1. Diamond
2. Graphite
3. (1) and (2)
4. Coal
Answers in
Last Page >>>
Which among the following allotropic forms of carbon is crystalline solid
1. Diamond
2. Coal
3. Coke
4. Lamp black
Answers in
Last Page >>>
Which of the following element exhibits allotropy
1. Nitrogen
2. Berelium
3. Carbon
4. Boran
Answers in
Last Page >>>
In elemental form carbon is available as
1. Diamond
2. Graphite
3. Coal
4. All of these
Answers in
Last Page >>>
Carbon forms a large number of compounds because
1. Fixed valency
2. Non-metallic nature
3. High ionization potential
4. High Catenation ability
Click here to check your answers