Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 27 2.7 5.4 54 27 2.7 5.4 54 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Disappearance of snow in subzero weather exemplifies the process of Melting Vaporisation Evaporation Sublimation Melting Vaporisation Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Elements in a periodic table are arranged in order of their Mass number Atomic number Atomic weight Metallic characteristics Mass number Atomic number Atomic weight Metallic characteristics ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the temperature of pure (distilled) water, its PH decreases and pOH increases POH and pH both 4ecreases PH and pOH both increases POH decreases and pH increases PH decreases and pOH increases POH and pH both 4ecreases PH and pOH both increases POH decreases and pH increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Both B & C Heat of vaporisation Heat of fusion Melting point Both B & C Heat of vaporisation Heat of fusion Melting point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Colligative properties of a dilute solution are those, which depend entirely upon the Constitution of the solute None of these Number of solute molecules contained in a given volume of the solvent Chemical composition of the solute Constitution of the solute None of these Number of solute molecules contained in a given volume of the solvent Chemical composition of the solute ANSWER DOWNLOAD EXAMIANS APP
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