Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 1120 4480 2240 0.4 1120 4480 2240 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of __________ of a fuel is called its calorific value. Formation Combustion Vaporisation Reaction Formation Combustion Vaporisation Reaction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is Trebled Doubled Halved Unpredictable Trebled Doubled Halved Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In osmosis through a semi-permeable membrane, diffusion of the 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 Solute takes place Solvent is from high concentration to low concentration region None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A reduction process is accompanied with increase in the Both A & B Neither A nor B Number of electrons Oxidation number Both A & B Neither A nor B Number of electrons Oxidation number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will Increase two times Be reduced to l/4th None of these Increase four times Increase two times Be reduced to l/4th None of these Increase four times ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS