Stoichiometry Questions

• In a chemical process, the recycle stream is purged for
• If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature.
• The equilibrium data of component A in the two phases B and C are given below. The estimate of Y for X = 4 by fitting a quadratic expression of a form Y = mX2 for the above data is
• Which of the following is not a unit of length?
• A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container
• Na2SO4. 10H2O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na2SO4. The final concentration of the solute in the solution is 10%. The weight of crystals is
• The total number of atoms in 8.5 gm of NH3 is __________ x 1023.
• Atmospheric pressure corresponds to a hydrostatic head of
• In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute.
• The reaction A + B → C has been conducted in a reactor as shown below. The number of balances (material) that can be made around the reactor are
• Pick out the wrong unit conversion of temperature.
• Which of the following expressions defines the Baume gravity scale for liquids lighter than water?
• Which of the following is not used for computing latent heat of vaporisation?
• Pick out the wrong statement.
• °API gravity of water at N.T.P. is about
• 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
• In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is
• At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to
• For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation.
• The OH- concentration in a solution having pH value 3 is