| 1. | All enzymes are made of |
| a. | fats |
| b. | carbohydrates |
| c. | proteins |
| d. | amino acids |
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Answer: (c).proteins
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| 2. | The combustion reaction, C + O₂ = CO₂, is |
| a. | exothermic |
| b. | endothermic |
| c. | autocatalytic |
| d. | none of these |
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Answer: (a).exothermic
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| 3. | Styrene is produced from ethyl benzene by the process of |
| a. | dehydrogenation |
| b. | oxidation |
| c. | alkylation |
| d. | dehydration |
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Answer: (a).dehydrogenation
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| 4. | Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of |
| a. | callagen |
| b. | tannin |
| c. | molasses |
| d. | carbohydrate |
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Answer: (a).callagen
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| 5. | The chamber process is |
| a. | preferred over contact process for producing 98 to 100% H₂SO₄ and various oleums. |
| b. | non-catalytic and operates only on pyrites. |
| c. | a batch process for directly producing high strength (98 to 100%) H₂SO₄. |
| d. | none of these. |
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Answer: (d).none of these.
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