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 Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 79.62 80.38 78.51 80 79.62 80.38 78.51 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 Be reduced to l/4th Increase two times None of these Increase four times Be reduced to l/4th Increase two times None of these Increase four times ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the Kistyakowsky equation Antonie equation Kopp's rule Trouton's rule Kistyakowsky equation Antonie equation Kopp's rule Trouton's rule ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An oxidation process is accompanied by decrease in the Number of ions All of these Oxidation number Number of electrons Number of ions All of these Oxidation number Number of electrons ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry According to the kinetic theory, the thermal conductivity of a monoatomic gas is proportional to T T2 T0.5 T1.5 T T2 T0.5 T1.5 ANSWER DOWNLOAD EXAMIANS APP
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