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 20 10 5 15 20 10 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ fuels require the maximum percentage of 'excess air' for complete combustion. Liquid Solid Gaseous Nuclear Liquid Solid Gaseous Nuclear 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
Stoichiometry Which of the following terms of Vander Walls equation of state for a non-ideal gas accounts for intermolecular forces? (p +a/v²) (V - b) RT 1/RT (p +a/v²) (V - b) RT 1/RT ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do not lose energy on collision Do not exert attractive force on each other Are above the inversion temperature Do work equal to loss in kinetic energy Do not lose energy on collision Do not exert attractive force on each other Are above the inversion temperature Do work equal to loss in kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of solution in a system in which both solute and solvent are liquids is termed as Heat of mixing Heat of solvation Heat of hydration Standard integral heat of solution Heat of mixing Heat of solvation Heat of hydration Standard integral heat of solution ANSWER DOWNLOAD EXAMIANS APP