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? 5 20 10 15 5 20 10 15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour Is a function of the liquid phase composition Measures the depression in freezing point Is not dependent on the temperature Measures the elevation in boiling point Is a function of the liquid phase composition Measures the depression in freezing point Is not dependent on the temperature Measures the elevation in boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of reaction is a function of the Neither (a) nor (b) Pressure Both(a)&(b) Temperature Neither (a) nor (b) Pressure Both(a)&(b) Temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The increase in the temperature of the aqueous solution will result in decrease of its Weight % of the solute Mole fraction of the solute Molality Molarity Weight % of the solute Mole fraction of the solute Molality Molarity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Viscosity of 1 centipoise is equal to 1 centis-toke in case of Mercury Carbon tetrachloride Water None of these Mercury Carbon tetrachloride Water None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Dehydrogenation of ethane to ethylene None of these Conversion of graphite to diamond Decomposition of water Dehydrogenation of ethane to ethylene None of these Conversion of graphite to diamond Decomposition of water ANSWER DOWNLOAD EXAMIANS APP
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