Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Does not vary Decreases Increases Varies linearly Does not vary Decreases Increases Varies linearly ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of adsorption of a gas caused by Van der Walls forces of attraction and capillarity is equal to the heat of Difference of A and B Wetting Normal condensation Sum of A and B Difference of A and B Wetting Normal condensation Sum of A and B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Basic Neutral More acidic Of the same acidity Basic Neutral More acidic Of the same acidity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, Ca + 2Hâ‚‚O = Ca(OH)â‚‚ + Hâ‚‚ ; 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 The reverse process of fractional crystallisation is called Differential distillation Stripping Leaching Absorption Differential distillation Stripping Leaching Absorption ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene Decomposition of water Conversion of graphite to diamond None of these Dehydrogenation of ethane to ethylene Decomposition of water ANSWER DOWNLOAD EXAMIANS APP
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