Related Questions

For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
A (i) platinum (ii) sulphur
B (i) palladium (ii) oxygen
C (i) nickel (ii) sulphur
D (i) nickel (ii) oxygen
After the increase of price of oil by 40%, a family decided to reduce its oil consumption so that the expenditure for oil goes up by 26% only. If the total consumption of oil before the price rise was 10 kg per month, then what is the current consumption of oil per month (in kg)?
A 8
B 8.50
C 9
D None of these
The metal that is used as a catalyst in the hydrogenation of oils is
A Ni
B Pb
C Cu
D Pt
Hydrogenation of oil takes place in a/an __________ reactor.
A Autothermal
B Trickle bed
C Plug flow
D None of these
Hydrogenation of oil does not
A Remove double bonds
B Raise its melting point
C Improve its resistance to oxidation
D None of these
Hydrogenation of oil/fat does not
A Improve its resistance to rancid oxidation
B Raise its melting point
C Remove double bonds
D None of these
Hydrogenation of oil is carried out in a/an __________ in Vanaspati manufacturing plant.
A Agitated vessel
B Sieve tray column
C Bubble cap column
D Packed tower
A catalyst is said to be a negative catalyst, ifit
A Retards the rate of reaction
B Reduces the value of equilibrium constant
C Does not initiate the reaction
D All of the above
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
A Tan hT/T
B Tan T/T
C Tan hT/tan T
D None of these
Drum X is 1/2 full of oil and drum Y, which has twice the capacity of drum X, is 2/3 full of oil. If all of the oil in drum X is poured into drum Y, then drum Y will be filled to what fraction of its capacity?
A 3/4
B 5/6
C 11/12
D 7/6

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