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 4480 0.4 1120 2240 4480 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise Becomes zero at the critical point Both B & C Decreases with increasing pressure Increases with pressure rise ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is 200 720 180 60.3 200 720 180 60.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be N 2N 4N N/2 N 2N 4N N/2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which a real gas obeys Boyle's law is termed as the Triple point Eutectic point Boyle's temperature Inversion temperature Triple point Eutectic point Boyle's temperature Inversion temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Both B and C Increases its boiling point Increases its freezing point Decreases its freezing point Both B and C Increases its boiling point Increases its freezing point Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
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