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) 350 485 140 345 350 485 140 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will Increase two times None of these Be reduced to l/4th Increase four times Increase two times None of these Be reduced to l/4th Increase four times ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids heavier than water? 200(G-1) 145 - (145/G) (400/G) - 400 (141.5/G) - 131.5 200(G-1) 145 - (145/G) (400/G) - 400 (141.5/G) - 131.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-10 10-13 10-3 10-11 10-10 10-13 10-3 10-11 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg/cm² is equal to 1 metre of water column 1KPa 760 torr 10 metres of water column 1 metre of water column 1KPa 760 torr 10 metres of water column ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of solution depends upon the All of these Nature of solute Nature of solvent Concentration of solution All of these Nature of solute Nature of solvent Concentration of solution ANSWER DOWNLOAD EXAMIANS APP