Chemical Engineering - Chemical Process

46.
Which is the main reducing agent during production of iron from iron ore in a blast furnace ?
C
CO
CO2
H2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
The drug used in contraceptives is
sulphadizene
mestranol
methyl salicylate
pencillin
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
Raw materials used for producing __________ cement does not contain iron oxide.
waterproof
slag
white
pozzolan
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
In the Lurgi coal gasifier
coking coals cannot be used.
low carbon conversion efficiency is achieved.
entrainment of solids is higher.
large quantity of coal can be processed.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
Neon gas is
flammable in nature.
used in color discharge tube.
filled in lamps having tungsten filament.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.