Stoichiometry With increase in temperature, the surface tension of water Increases linearly Increases Decreases Remains constant Increases linearly Increases Decreases Remains constant 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) 0.4 4480 1120 2240 0.4 4480 1120 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c. 566 283 141.5 293 566 283 141.5 293 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 0.5 0.2 0.58 1.72 0.5 0.2 0.58 1.72 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to T0.5 T2 T1.5 T T0.5 T2 T1.5 T ANSWER DOWNLOAD EXAMIANS APP
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