Stoichiometry The hydroxyl ion (OH?) concentration in a solution having pH value 3 will be 10?? 10?? ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is an exothermic reaction? Conversion of graphite to diamond Decomposition of water Dehydrogenation of ethane to ethylene None of these Conversion of graphite to diamond Decomposition of water Dehydrogenation of ethane to ethylene None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong conversion formula for the conversion of weight units : 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton None of these 1 tonne = 1000 kg = 22.046 lbs 1 ton = 2240 lbs = 1016 kg = 1.016 tonnes = 1.12 U.S. tons 1 U.S. ton = 907 kg = 0.907 tonne = 0.893 ton None of these ANSWER DOWNLOAD EXAMIANS APP
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 None of these Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction Temperature & pressure None of these Number of intermediate chemical reactions involved State of aggregation & the state of combination at the beginning & the end of the reaction Temperature & pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 Equivalent weight of the metal is 4 Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 8 ANSWER DOWNLOAD EXAMIANS APP