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 1120 2240 4480 0.4 1120 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids heavier than water? (141.5/G) - 131.5 (400/G) - 400 145 - (145/G) 200(G-1) (141.5/G) - 131.5 (400/G) - 400 145 - (145/G) 200(G-1) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is helpful in finding the Heat capacities of gases Molal heat capacities of gases Activation energy Heat capacities of solids Heat capacities of gases Molal heat capacities of gases Activation energy Heat capacities of solids ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Equivalent weight of the metal is 8 Atomic weight of the metal is 2 Equivalent weight of the metal is 4 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 Atomic weight of the metal is 2 Equivalent weight of the metal is 4 Atomic weight of the metal is 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One 'Therm' is equivalent to 10⁵ BTU 10⁹ kcal 10⁹ BTU 10⁵ kcal 10⁵ BTU 10⁹ kcal 10⁹ BTU 10⁵ kcal ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The chemical nature of an element is independent of The number of neutrons present in it The number of protons or electrons present in it Its atomic number None of these The number of neutrons present in it The number of protons or electrons present in it Its atomic number None of these ANSWER DOWNLOAD EXAMIANS APP
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