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Home Chemical Engineering Stoichiometry See What Others Are Saying!
  • Question
  • Heat of neutralisation of a strong acid and strong base is always a constant value, i.e., 57 KJ/Kg mole. This is because


  • Options
  • A. the strong base and strong acid reacts completely.
  • B. the salt formed does not hydrolyse.
  • C. only OH- and H+ ions react in every case.
  • D. the strong base and strong acid reacts in aqueous solution.

  • Correct Answer
  • only OH- and H+ ions react in every case. 


  • More questions

    • 1. The equivalent diameter for pressure drop is __________ that for heat transfer.

    • Options
    • A. smaller than
    • B. greater than
    • C. equal to
    • D. not related with
    • Discuss
    • 2. Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.

    • Options
    • A. organic peroxides
    • B. sulphuric acid
    • C. hydroflouric acid
    • D. none of these
    • Discuss
    • 3. LPG stands for

    • Options
    • A. liquid petroleum gas
    • B. liquified petrol gas
    • C. liquid petrol gas
    • D. liquefied petroleum gas
    • Discuss
    • 4. With increase in temperature, the surface tension of water

    • Options
    • A. increases
    • B. decreases
    • C. remains constant
    • D. increases linearly
    • Discuss
    • 5. Fireclay bricks is not used for lining the

    • Options
    • A. cupola.
    • B. gas producer.
    • C. bottom of hot metal mixer.
    • D. roof of open hearth furnace.
    • Discuss
    • 6. Phenol formaldehyde is produced by condensation polymerisation. It is also known as

    • Options
    • A. teflon
    • B. bakelite
    • C. polyester
    • D. nylon-66
    • Discuss
    • 7. The most convenient way of expressing solution concentration is in terms of

    • Options
    • A. mole fraction
    • B. normality
    • C. molality
    • D. molarity
    • Discuss
    • 8. Urea is a __________ fertiliser.

    • Options
    • A. nitrogenous
    • B. potassic
    • C. phosphatic
    • D. none of these
    • Discuss
    • 9. A fast breeder reactor

    • Options
    • A. uses natural uranium as fuel.
    • B. does not require a moderator.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss
    • 10. Carbon refractories have very high

    • Options
    • A. wetting characteristics
    • B. refractoriness
    • C. thermal conductivity
    • D. both (b) and (c)
    • Discuss


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