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? 20 15 5 10 20 15 5 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas. L/4th reduction Four fold increase Doubling No change L/4th reduction Four fold increase Doubling No change ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. Vibrational None of these Rotational Translational Vibrational None of these Rotational Translational ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be 10?? 10?? ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry NaOH contains __________ percent oxygen. 40 16 10 1 40 16 10 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed. 2481 6680 13360 97302 2481 6680 13360 97302 ANSWER DOWNLOAD EXAMIANS APP
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