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 2240 0.4 4480 1120 2240 0.4 4480 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 45.35 20 32.2 58.65 45.35 20 32.2 58.65 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be M/4 M 2M M/2 M/4 M 2M M/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is Increases with rise in pressure Increased with decrease in pressure Unchanged with pressure changes Independent of temperature Increases with rise in pressure Increased with decrease in pressure Unchanged with pressure changes Independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Negligibly Inversely Exponentially Linearly Negligibly Inversely Exponentially Linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The rate of material __________ is zero in case of a steady state system. Generation Input Production Accumulation Generation Input Production Accumulation ANSWER DOWNLOAD EXAMIANS APP
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