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) 485 350 140 345 485 350 140 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat capacity of most substances is greater for the __________ state. Solid Liquid None of these Gaseous Solid Liquid None of these Gaseous ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which the second Virial co-efficient of a real gas is zero is called the Eutectic point Critical temperature Boyle temperature Boiling point Eutectic point Critical temperature Boyle temperature Boiling point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Weight of 56 litres of ammonia at N.T.P. is __________ gm. 56 2.5 2800 42.5 56 2.5 2800 42.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Refluxing of part of the distillate in a fractionating column is a 'recycling operation', aimed primarily at Product enrichment Yield enhancement Heat conservation None of these Product enrichment Yield enhancement Heat conservation None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of calorific value. 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 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 ANSWER DOWNLOAD EXAMIANS APP
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