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) 2240 0.4 1120 4480 2240 0.4 1120 4480 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor. Saturated Superheated None of these Supersaturated Saturated Superheated None of these Supersaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Elements in a periodic table are arranged in order of their Atomic number Mass number Metallic characteristics Atomic weight Atomic number Mass number Metallic characteristics Atomic weight ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gram equivalent of solute dissolved in one litre of solution is called its Normally Molality Molarity Formality Normally Molality Molarity Formality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) >ΔH Δ H >ΔH Δ H ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In physical adsorption, as compared to chemisorption, the Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Heat of adsorption is very large Quantity adsorbed per unit mass is higher Rate of adsorption is controlled by the resistance to surface reaction Activation energy is very high Heat of adsorption is very large Quantity adsorbed per unit mass is higher ANSWER DOWNLOAD EXAMIANS APP
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