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) 345 350 485 140 345 350 485 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of pressure? Newton/metre² Bar Parsec Kilo-pascal Newton/metre² Bar Parsec Kilo-pascal ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole. 44 16 1 44 16 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is concerned with the calculation of Viscosity Surface tension Heat capacity Thermal conductivity Viscosity Surface tension Heat capacity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ? Both B and C ΔH = 1 (+ ve)and Δ V = -ve ΔV = 0 ΔH = 0 Both B and C ΔH = 1 (+ ve)and Δ V = -ve ΔV = 0 ΔH = 0 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The most convenient way of expressing solution concentration is in terms of Normality Mole fraction Molarity Molality Normality Mole fraction Molarity Molality ANSWER DOWNLOAD EXAMIANS APP
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