Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80.38 78.51 79.62 80 80.38 78.51 79.62 80 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming that CO₂ obeys perfect gas law, calculate the density of CO₂ (in kg/m³) at 263°C and 2 atm. 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
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) 4480 0.4 2240 1120 4480 0.4 2240 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Absorption Stripping Differential distillation Leaching Absorption Stripping Differential distillation Leaching ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is < 7 7 Constant over a wide range > 7 < 7 7 Constant over a wide range > 7 ANSWER DOWNLOAD EXAMIANS APP
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