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 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Equivalent weight of the metal is 8 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Equivalent weight of the metal is 8 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution Both A & C A₁ is very slightly acidic A₁ is more alkaline than solution A₂ A₁ is highly acidic Both A & C A₁ is very slightly acidic A₁ is more alkaline than solution A₂ A₁ is highly acidic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry S.T.P. corresponds to 760 mm Hg gauge pressure & 15.5°C 1 atm. absolute pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 760 mm Hg gauge pressure & 15.5°C 1 atm. absolute pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases linearly Increases Decreases Remains unchanged Increases linearly Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Concentration of a solution expressed in terms of __________ is independent of temperature. Molarity Normality Molality None of these Molarity Normality Molality None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg ANSWER DOWNLOAD EXAMIANS APP