| 1. | Which of the following does not belong to the same homologous series ? | |
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C4H8
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C3H8
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CH4
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C2H6
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Report Question| 2. | Buckminsterfullerene is an allotropic form of ? | |
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Tin
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Carbon
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Sulphur
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Phosphorus
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| 3. | Which is denatured spirit ? | |
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ethanol only
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ethanol and methanol (5%)
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methanol only
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ethanol and methanol (50%)
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| 4. | A molecule of ammonia (NH?) has ? | |
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Only triple bonds
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Two double bonds and one single bond
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Only double bonds
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Only single bonds
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| 5. | Cooking oils contain _____ ? | |
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Unsaturated healthy acids
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Unsaturated fatty acids
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Saturated acids
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Saturated healthy acids
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| 6. | Atomic number of Cl ? | |
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17
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18
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12
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16
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| 7. | Which allotrope of carbon is in the form of the geodesic globe ? | |
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Carbon nanotube
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Fullerene
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Diamond
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Graphite
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| 8. | Which of the following is ethanol ? | |
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CH3CH2OH
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CH3COOCH3
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CH3COOH
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CH3CHO
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| 9. | Vinegar is a solution of ? | |
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5 % – 8 % acetic acid in water
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50 % – 60 % acetic acid in water
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5 % – 8 % acetic acid in alcohol
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50 % – 60 % acetic acid in alcohol
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| 10. | From where can we get ethanol ? | |
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Orange
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Sugarcane
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Beet root
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Grapes
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