Chemical Engineering - Chemical Process
Exercise :: Chemical Process - Section 1
46. |
Which is the main reducing agent during production of iron from iron ore in a blast furnace ? |
Answer: Option B
Explanation:
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47. |
The drug used in contraceptives is |
A. |
sulphadizene | B. |
mestranol | C. |
methyl salicylate | D. |
pencillin |
Answer: Option B
Explanation:
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48. |
Raw materials used for producing __________ cement does not contain iron oxide. |
Answer: Option C
Explanation:
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49. |
In the Lurgi coal gasifier |
A. |
coking coals cannot be used. | B. |
low carbon conversion efficiency is achieved. | C. |
entrainment of solids is higher. | D. |
large quantity of coal can be processed. |
Answer: Option D
Explanation:
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50. |
Neon gas is |
A. |
flammable in nature. | B. |
used in color discharge tube. | C. |
filled in lamps having tungsten filament. | D. |
all (a), (b) and (c). |
Answer: Option B
Explanation:
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