| 1 |
The functional group- COOH is found in |
- A. Carboxylic acid
- B. aldehydes
- C. alcohals
- D. easter
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| 2 |
The 1st organic compound prepared in laboratory. |
- A. Urea
- B. NaCl
- C. Thiourea
- D. Pyridine
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| 3 |
Coal is the mixture of |
- A. Hydrogen
- B. Methane
- C. Carbon monoxide
- D. All
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| 4 |
General formula of alkyl radical is |
- A. C<sub>n</sub>H<sub>2n+2</sub>
- B. C<sub>n</sub>H<sub>2n-</sub><span style="vertical-align: sub;">2</span>
- C. C<sub>n</sub>H<sub>2n+1</sub>
- D. C<sub>n</sub>H<sub>2n</sub>
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| 5 |
Pitch is black residue of |
- A. Coke
- B. Coal-tar
- C. Coal
- D. Coal gas
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| 6 |
Carbonization process is the conversion of |
- A. Coal into coal gas
- B. Coal into wood
- C. Wood into coal
- D. Wood into coal tar
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| 7 |
Who put forward the vital force theory? |
- A. Berzelius
- B. Wohler
- C. Dalton
- D. Lavoisier
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| 8 |
Organic compounds contain: |
- A. ionic bond
- B. Covalent bond
- C. Metallic bond
- D. Co-ordinate covalent
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| 9 |
In which of the following groups, oxygen is attached on both sides with carbon atoms? |
- A. Ketone
- B. Ether
- C. Aldehyde
- D. Ester
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| 10 |
Number of discovered element till today are. |
- A. 140
- B. 118
- C. 90
- D. 16
|