Stoichiometry The chemical nature of an element is independent of The number of neutrons present in it None of these The number of protons or electrons present in it Its atomic number The number of neutrons present in it None of these The number of protons or electrons present in it Its atomic number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction). Exponentially Linearly Negligibly Inversely Exponentially Linearly Negligibly Inversely ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 140 345 350 485 140 345 350 485 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation All of these Changing the nature of the system by the addition of a more soluble material Removal of pure solvent by evaporation Change of temperature thereby causing supersaturation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is Trebled Doubled Unpredictable Halved Trebled Doubled Unpredictable Halved ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Kcal/kg. °C is equivalent to __________ BTU/lb. °F. None of these 1 2.42 4.97 None of these 1 2.42 4.97 ANSWER DOWNLOAD EXAMIANS APP
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