Stoichiometry The net heat evolved or absorbed in a chemical process, i.e. total change in the enthalpy of the system is independent of the Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these Number of intermediate chemical reactions involved Temperature & pressure State of aggregation & the state of combination at the beginning & the end of the reaction None of these Number of intermediate chemical reactions involved ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Sometimes, in chemical processes, a part of the outlet stream is rejected as waste in order to keep the impurity level in the system within limits. This phenomenon is termed as the Purging Recirculation Recycling Bypassing Purging Recirculation Recycling Bypassing ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 5 10 15 20 5 10 15 20 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The pH value of a solution is 5.9. If the hydrogen ion concentration is decreased hundred times, the solution will be Of the same acidity Basic Neutral More acidic Of the same acidity Basic Neutral More acidic ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 6.02 x 1023 atoms of hydrogen 3 gms of carbon 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3 gms of carbon 3.01 x 1023 molecules of methane 4 gm atoms of hydrogen ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids heavier than water? 145 - (145/G) (400/G) - 400 (141.5/G) - 131.5 200(G-1) 145 - (145/G) (400/G) - 400 (141.5/G) - 131.5 200(G-1) ANSWER DOWNLOAD EXAMIANS APP
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