Stoichiometry Which of the following is an exothermic reaction? 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 Conversion of graphite to diamond 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 Pick out the wrong unit conversion of heat transfer co-efficient. 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°K = 1.163 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°K = 1.163 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole. -57.46 57.46 114.92 -28.73 -57.46 57.46 114.92 -28.73 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With increase in the solute concentration, the specific heat of aqueous solutions Increases Remains unchanged Decreases Either A or B; depends on the type of solution Increases Remains unchanged Decreases Either A or B; depends on the type of solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise. Sodium carbonate monohydrate Hypo Anhydrous sodium sulphate Sodium chloride Sodium carbonate monohydrate Hypo Anhydrous sodium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP