Stoichiometry Mass number of an atom is the sum of the numbers of Neutrons and protons Protons and electrons Neutrons and electrons Both A & B Neutrons and protons Protons and electrons Neutrons and electrons Both A & B 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. 10 100 10000 1000 10 100 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of __________ of a fuel is called its calorific value. Vaporisation Combustion Reaction Formation Vaporisation Combustion Reaction Formation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure. All of these Kg of solute/kg of solvent Kg-mole of solute/kg-mole of solvent Kg-mole of solute/1000 kg of solvent All of these Kg of solute/kg of solvent Kg-mole of solute/kg-mole of solvent Kg-mole of solute/1000 kg of solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 20 34 25 17 20 34 25 17 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Superheated Dry gaseous Saturated Unsaturated Superheated Dry gaseous Saturated Unsaturated ANSWER DOWNLOAD EXAMIANS APP