1 |
Bond energy of C-C is. |
- A. 200 KJmol<sup>-1</sup>
- B. 452 KJmol<sup>-1</sup>
- C. 300 KJmol<sup>-1</sup>
- D. 355 KJmol<sup>-1</sup>
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2 |
Open chain compounds are also called: |
- A. aliphatic compounds
- B. alicyclic compounds
- C. aromatic compounds
- D. hydrocarbons
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3 |
Coal is blackish complex mixture of compounds of |
- A. Carbon
- B. Hydrogen
- C. oxygen
- D. All
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4 |
Petroleum is refined by: |
- A. destructive distillation
- B. fractional distillation
- C. simple distillation
- D. dry distillation
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5 |
Conversion of dead plants into coal by the action of bacteria and heat is called. |
- A. Carbonization
- B. Catenation
- C. Hydrogenation
- D. Cracking
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6 |
The black residue of the coal tar is called: |
- A. peat
- B. lignite
- C. pitch
- D. matte
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7 |
Who was prepared acetic acid in laboratory? |
- A. Berzelius
- B. Wohler
- C. Kolbe
- D. Dalton
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8 |
In which of the following groups , oxygen is attached on both sides with carbon atoms. |
- A. Ketone group
- B. Ether group
- C. Aldehyde group
- D. Easter group
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9 |
Percentage of carbon in peat is. |
- A. 50%
- B. 60%
- C. 70%
- D. 80%
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10 |
Coal tar contains compounds |
- A. Benzene
- B. Phenol
- C. Toluene
- D. All
|