Stoichiometry Two solutions A₁ and A₂ have pH value of 2 and 6 respectively. It implies that the solution Both A & C A₁ is more alkaline than solution A₂ A₁ is highly acidic A₁ is very slightly acidic Both A & C A₁ is more alkaline than solution A₂ A₁ is highly acidic A₁ is very slightly acidic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is 1.72 0.5 0.58 0.2 1.72 0.5 0.58 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half, will result in __________ in the volume of the gas. L/4th reduction Four fold increase Doubling No change L/4th reduction Four fold increase Doubling No change ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One Newton is equal to __________ dynes. 10² 10⁵ 10³ 10⁴ 10² 10⁵ 10³ 10⁴ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One mole of methane undergoes complete combustion in a stoichiometric amount of air. The reaction proceeds as CH₄ + 2O₂ → CO₂ + 2H₂O. Both the reactants and products are in gas phase. ΔH°298 = - 730 kJ/mole of methane. Mole fraction of water vapour in the product gases is about 0.67 0.33 0.40 0.19 0.67 0.33 0.40 0.19 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
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