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 4 Atomic weight of the metal is 2 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 Atomic weight of the metal is 4 Atomic weight of the metal is 2 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Product enrichment Heat conservation None of these Yield enhancement Product enrichment Heat conservation None of these Yield enhancement ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of thermal conductivity. 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K 1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m 1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K 1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m 1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 15 5 20 10 15 5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise. Sodium chloride Hypo Anhydrous sodium sulphate Sodium carbonate monohydrate Sodium chloride Hypo Anhydrous sodium sulphate Sodium carbonate monohydrate ANSWER DOWNLOAD EXAMIANS APP
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