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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 4
16.
A mineral is termed as 'ore', if
a metal can be economically extracted from it.
it contains ≥ 40% metal.
the metal present in it is costly.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
gives higher conversion efficiency.
has a longer life and is not poisoned by arsenic.
handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
At a given temperature, the equilibrium yield of SO3 obtained from the oxidation of SO2 is proportional to (where, P = pressure of the system )
P
P
P2
1/P
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Oleum produces fumes of
SO2
H2SO4
SO3
SO2 + H2SO4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
20% oleum means that in 100 kg oleum, there are 20 kg of
SO3 and 80kg of H2SO4.
H2SO4 and 80kg of SO3.
SO3 for each 100 kg of H2SO4.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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