Stoichiometry Equal masses of CH₄ and H₂ are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is 1/9 1/2 5/9 8/9 1/9 1/2 5/9 8/9 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10 100 10000 1000 10 100 10000 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Number of gm moles of solute dissolved in 1 kg of solvent is called its Normality Molarity Formality Molality Normality Molarity Formality Molality 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) 485 140 350 345 485 140 350 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Increases with pressure rise Both B & C Becomes zero at the critical point Decreases with increasing pressure Increases with pressure rise Both B & C Becomes zero at the critical point Decreases with increasing pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid solution of components A and B, if component A exhibits positive deviation from Raoult's law, then component B Obeys Raoult's law Exhibits positive deviation from Raoult's law Exhibits negative deviation from Raoult's law May exhibit either positive or negative deviation from Raoult's law Obeys Raoult's law Exhibits positive deviation from Raoult's law Exhibits negative deviation from Raoult's law May exhibit either positive or negative deviation from Raoult's law ANSWER DOWNLOAD EXAMIANS APP
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