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Chemistry-day-12 carbon-compounds-questions Target ssc cgl 2018

Chemistry-day-12 carbon-compounds-questions Target ssc cgl 2018

Chemistry-day-12 carbon-compounds-questions Target ssc cgl 2018

Q1. Which among the following coal contains 90 per cent of carbon?

  1. Anthracite
  2. Bitumen
  3. Lignite
  4. Peat

Q2. What is the specific gravity of graphite?

  1. 1.2
  2. 2.3
  3. 3.4
  4. 4.5

Q3. What is the specific gravity of diamond?

  1. 1.2
  2. 3.52
  3. 3.0
  4. 4.5

Q4. The material used in the manufacture of lead pencil is

  1. Graphite
  2. Lead
  3. Carbon
  4. Mica

carbon-compounds-questions
Q5. Which of the following about graphite is not true?

  1. It is a good conductor of heat
  2. It is a good conductor of electricity
  3. It is chemically more reactive than diamond
  4. It is chemically less reactive than diamond

Q6. Carbonado is..

  1. Black diamond
  2. Graphite
  3. Coal
  4. Coal-tar

Q7. Carbon is a

  1. metal
  2. non-metal
  3. halogen
  4. metalloid

Q8. Which of the following is used as a lubricant in heavy machines?

  1. Bauxite
  2. Sulphur
  3. Phosphorus
  4. Graphite

Q9. General formula for alkane is

  1. CnH2n+2
  2. CnH2n
  3. CnH2n-2
  4. CnHn

Q10. General formula for alkene is

  1. CnH2n+2
  2. CnH2n
  3. CnH2n-2
  4. CnHn

carbon-compounds-questions
 

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