Stoichiometry
Pick out the wrong unit conversion of heat transfer rate.

1 Watt = 1.163 kcal/hr
1 kcal/hr= 1.163 Watt
1 BTU/ft².hr = 2.712 kcal/m².hr
1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m²

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Stoichiometry
Pick out the wrong statement about the recycle stream in a process.

Recycling is exemplified by refluxing back a part of the distillate to the distillation column to maintain the quantity of liquid within the column
Recycling in a process does not help in getting higher extent of reaction
The ratio of the quantity of a reactant present in the reactor feed of a recycling operation to the quantity of the same reactant entering the process as fresh feed is called combined feed ratio
Recycling in a process stream helps in utilising the valuable reactants to the maximum with minimum loss of reactants

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Stoichiometry
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the

Atomic weight of the metal is 2
Atomic weight of the metal is 4
Equivalent weight of the metal is 8
Equivalent weight of the metal is 4

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