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  • Question

  • pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be


  • Options
  • A. 0
  • B. 10
  • C. 7
  • D. 14

  • Correct Answer
  • 7 

    • Stoichiometry problems

    Search Results

    • 1. As per Kirchoff s equation, the heat of reaction is affected by the

    • Options
    • A. pressure
    • B. volume
    • C. temperature
    • D. molecularity
      • Discuss
    • 2. Claussius Clapeyron equation applies to the __________ process.

    • Options
    • A. sublimation
    • B. melting
    • C. vaporisation
    • D. all (a), (b) & (c)
      • Discuss
    • 3. What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C?

    • Options
    • A. 2/3
    • B. 1/3
    • C. 1/2
    • D. l/3 x
      • Discuss
    • 4. The temperature at which real gases obey the ideal gas law over a wide range of pressure is called the __________ temperature.

    • Options
    • A. reduced
    • B. Boyle
    • C. critical
    • D. inversion
      • Discuss
    • 5. A flowsheet is given in the following figure:

      If the single pass once through conversion of A to B is 20%, then the rate of recycle R (molds/hr) is

    • Options
    • A. 300
    • B. 400
    • C. 500
    • D. 600
      • Discuss
    • 6. If 1 Nm3 of O2 contains 'N' number of molecules, then number of molecules in 2Nm3 of SO2 will be

    • Options
    • A. N
    • B. N/2
    • C. 2N
    • D. 4N
      • Discuss
    • 7. The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the

    • Options
    • A. relative humidity.
    • B. relative saturation.
    • C. percentage saturation.
    • D. none of these.
      • Discuss
    • 8. The molecules of a liquid which is in equilibrium with its vapor at its boiling point on an average have equal __________ in the two phases.

    • Options
    • A. potential energy
    • B. intermolecular forces
    • C. kinetic energy
    • D. total energy
      • Discuss
    • 9. For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.

    • Options
    • A. sodium chloride
    • B. sodium carbonate monohydrate
    • C. anhydrous sodium sulphate
    • D. hypo
      • Discuss
    • 10. With increase in temperature, the surface tension of water

    • Options
    • A. increases
    • B. decreases
    • C. remains constant
    • D. increases linearly
      • Discuss

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