MCQ on Carbon and its Forms

There is good scope for the General Science Chemistry section in government exams. This section is very important as per the new syllabus of SSC, Railways, or any other exam. we will cover the General Science section comprehensively so that students can learn and get most of the questions correct in this section. This article will provide an MCQ set from Carbon and its Forms.

MCQs on Carbon and its Forms:

Que 1. Which of the given elements forms the maximum number of compounds? 
(a) Carbon
(b) Hydrogen 
(c) Oxygen
(d) Nitrogen

Ans. (a) Carbon
Explanation: Carbon forms the maximum number of compounds.

Que 2. Which of the given options consists of carbon?
(a) Coal
(b) Diamond
(c) Graphite
(d) All of the above

Ans. (d) All of the above
Explanation: All of the above options contains a carbon atom. Diamond and Graphite are allotropes of carbon.

Que 3. Which of the following is made up of carbon?
(a) Kevlar
(b) Lexan
(c) Spider silk
(d) Graphene

Ans. (d) Graphene
Explanation: Graphene is made up of carbon.

Que 4. Does pencil lead contain which of the given options?
(a) Charcoal
(b) Coal
(c) Graphite
(d) Lexan

Ans. (c) Graphite
Explanation: The pencil lead contains Graphite.

Que 5. Which of the given is not in the form of crystal?
(a) Sulphur
(b) Diamond
(c) Quartz
(d) Graphite

Ans. (a) Sulphur
Explanation: Sulphur is not in the form of a crystal.

Que 6. The highest percentage of carbon is found in which among the following options?
(a) Steel
(b) Pig Iron
(c) Wrought Iron
(d) Alloy Steel

Ans. (b) Pig Iron
Explanation: Pig Iron contains the highest percentage of carbon out of the following options. It varies from 3.8% to 4.5%.

Que 7. Which of the following does not contain carbon?
(a) Diamond
(b) Graphite
(c) Peat coal
(d) Sand

Ans. (d) Sand
Explanation: Sand does not contain carbon.

Que 8. Which among the following contains the highest percentage of carbon?
(a) Anthracite coal
(b) Lignite coal
(c) Peat coal
(d) Bituminous

Ans. (a) Anthracite coal
Explanation: Anthracite coal contains the highest percentage of carbon. It contains approximately 85% of carbon.

Que 9. What is the chemical formula for Water gas?
(a) CO + H₂O
(b) CO₂ + H₂
(c) CO + H₂
(d) None of these

Ans. (c) CO + H2 
Explanation: Water gas is a mixture of carbon monoxide and hydrogen. Methyl alcohol is formed by water gas.

Que 10. Which of the following is the good conductor of electricity?
(a) Sulphur
(b) Bromine
(c) Phosphorus
(d) Selenium

Ans. (d) Selenium
Explanation: Selenium is a semiconductor and it conducts some electricity. It is used in photocells.

Que 11. What is Dry Ice?
(a) Solid water
(b) Solid Carbon dioxide
(c) Solid Hydrogen
(d) Dehydrated Ice

Ans. (b) Solid Carbon dioxide
Explanation: Dry Ice is a Solid Carbon dioxide.

Que 12. Which among the given options can be used as lubricants?
(a) Graphite
(b) Hematite
(c) Cryolite
(d) Bauxite

Ans. (a) Graphite
Explanation: Graphite can be used as a lubricant.

Que 13. Which among the given options is the strongest?
(a) Brass
(b) German Silver
(c) Steel
(d) Graphene

Ans. (d) Graphene
Explanation: Graphene is the strongest among the rest of the options.

Que 14. Which among the following is true about Graphene?
(a) It is 2-dimensional 
(b) It is a good conductor of electricity
(c) It is used in LCDs and LEDs
(d) All of the above

Ans. (d) All of the above
Explanation: All of the above is the properties of graphene.

Que 15. Which among the given options is responsible for the carbon cycle?
(a) Respiration
(b) Photosynthesis
(c) Fossil fuels
(d) All of the above

Ans. (d) All of the above
Explanation: All of the above factors are responsible for the carbon cycle.

Que16. Which among the following bonds are present in diamond?
(a) Ionic bond
(b) Covalent bond
(c) Both covalent and ionic bond
(d) None of these

Ans. (b) Covalent bond
Explanation: Covalent bonds are present in a diamond. All the compounds of carbon contain covalent bonds.

Que 17. Which of the given element does not belong to the carbon group?
(a) Aluminium
(b) Silicon
(c) Plumbum
(d) Stannum

Ans. (a) Aluminium
Explanation: Aluminium does not belong to the carbon group.

Que 18. Wood Charcoal is an allotrope of which of the given options?
(a) Nitrogen
(b) Hydrogen
(c) Carbon
(d) Phosphorus

Ans. (c) Carbon
Explanation: Wood Charcoal is an allotrope of carbon.

Que 19. Which of the given options is known as a hard substance?
(a) Fullerenes
(b) Graphite
(c) Silicon
(d) Diamond

Ans. (d) Diamond
Explanation: Diamond is hard.

Que 20. Lignite is a common type of?
(a) Charcoal
(b) Coal
(c) Diamond
(d) Borax

Ans. (b) Coal
Explanation: Lignite is a common type of coal.