| 1 |
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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| 2 |
Which one of the following does not contain starch |
- A. Sugar cane
- B. Maize
- C. Barley
- D. Potatoes
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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 alcohols is: |
- A. RCHO
- B. ROH
- C. O= R - C -OH
- D. O = R - C- R
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| 5 |
Coal is blackish complex mixture of compounds of |
- A. Carbon
- B. Hydrogen
- C. oxygen
- D. All
|
| 6 |
Which one is homocyclic compound? |
- A. Benzene
- B. Cyclobutane
- C. Cyclohexane
- D. All
|
| 7 |
Percentage of methane present in natural gas is. |
- A. 75%
- B. 80%
- C. 85%
- D. 90%
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| 8 |
Aromatic compounds are given this name because of; |
- A. smell they have
- B. slippery touch they have
- C. bitter taste they have
- D. sour taste they have
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| 9 |
Main component of natural gas is |
- A. Methane
- B. Propane
- C. Butane
- D. Propene
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| 10 |
The functional group -COOH is found in. |
- A. Aldehydes
- B. Esters
- C. Carboxylic acids
- D. alcohols
|