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? 10 20 15 5 10 20 15 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Claussius Clapeyron equation applies to the __________ process. Sublimation All of these Melting Vaporisation Sublimation All of these Melting Vaporisation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kinetic theory of gases stipulates that, the Absolute temperature is a measure of the kinetic energy of molecules Energy is lost during molecular collisions None of these Molecules possess appreciable volume Absolute temperature is a measure of the kinetic energy of molecules Energy is lost during molecular collisions None of these Molecules possess appreciable volume ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Lowering of vapor pressure None of these Depression of freezing point Osmotic pressure Lowering of vapor pressure None of these Depression of freezing point Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following gravity scales is used exclusively for liquids heavier than water? API scale Baumme scale Twaddel scale None of these API scale Baumme scale Twaddel scale None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Decrease in mean free path Increased collision rate among molecules Increase in molecular attraction Increase in average molecular speed Decrease in mean free path Increased collision rate among molecules Increase in molecular attraction Increase in average molecular speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS