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 10 20 15 5 10 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Osmotic pressure of the solution can be increased by Diluting the solution Increasing the volume of the vessel containing the solution Decreasing its temperature None of these Diluting the solution Increasing the volume of the vessel containing the solution Decreasing its temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Dry air is a mixture of Gases Both A & B Neither A nor B Vapors Gases Both A & B Neither A nor B Vapors ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An ideal gas can be liquified, because Its molecular size is very small It gets solidified directly without becoming liquid Forces operative between its molecules are negligible Its critical temperature is more than 0°C Its molecular size is very small It gets solidified directly without becoming liquid Forces operative between its molecules are negligible Its critical temperature is more than 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.13 0.07 0.11 0.09 0.13 0.07 0.11 0.09 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In osmosis through a semi-permeable membrane, diffusion of the Solute takes place Solvent is from high concentration to low concentration region None of these Solvent is from low concentration to high concentration region Solute takes place Solvent is from high concentration to low concentration region None of these Solvent is from low concentration to high concentration region ANSWER DOWNLOAD EXAMIANS APP
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