| 1 |
Which one of the following does not contain starch |
- A. Sugar cane
- B. Maize
- C. Barley
- D. Potatoes
|
| 2 |
Formula of acetaldehyde is: |
|
| 3 |
In which of the following groups, oxygen is attached on both sides with carbon atoms? |
- A. Ketone
- B. Ether
- C. Aldehyde
- D. Ester
|
| 4 |
Natural gas is 85% methane, It is used to make the follwing except. |
- A. Carbon black
- B. Ethane
- C. Propane
- D. Both b and c
|
| 5 |
Formula of Methyl alcohol |
- A. CH<sub>5</sub>-OH
- B. CH<sub>3</sub>-CH<sub>2</sub>-OH
- C. All of them
- D. None of these
|
| 6 |
Petroleum is refined by |
- A. Destructive distillation
- B. Fractional distillation
- C. Simple distillations
- D. Dry distillation
|
| 7 |
Conversion of dead plants into coal by the action of bacteria and heat is called. |
- A. Carbonization
- B. Catenation
- C. Hydrogenation
- D. Cracking
|
| 8 |
Coal is blackish complex mixture of compounds of |
- A. Carbon
- B. Hydrogen
- C. oxygen
- D. All
|
| 9 |
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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| 10 |
General formula of Alkyl radical is.. |
- A. C<sub>6</sub>H<sub>2n-2</sub>
- B. C<sub>n</sub>H<sub>2n+2</sub>
- C. C<sub>11</sub>H<sub>2n-1</sub>
- D. C<sub>n</sub>H<sub>2n-2</sub>
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