Normal, Acidic, Basic, And Double Salts Jamb Chemistry Past Questions

Question 1

A suitable reagent for distinguish between ethanoic and ethanol is

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  • A. bromine water
  • B. Fehling’s solution
  • C. sodium hydrogen trioxocarbonate (iv)
  • D. Ammoniacal silver trioxonitrate(V)
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Question 2

When sugar is dissolve in tea, the reaction is accomplished by?

jamb 2015

  • A. positive change
  • B. negative entropy change
  • C. no entropy change
  • D. a minimum entropy change
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Question 3

In the diagram above, X is the

jamb 2016

  • A. Enthalphy
  • B. Activated complex
  • C. Activation energy
  • D. Enthalphy change
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Question 4

The functional groups present in the compound above are

jamb 2016

  • A. Alkene and halo-group
  • B. Hydroxyl and chloro-group
  • C. Alkene and chloro-group
  • D. Hydroxyl and halo-group
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Question 5

An aqueous solution of a metal salt, M. gives a white precipitate with NaOH which dissolves in excess NaOH. With aqueous ammonia, the solution of M also gives a white precipitate which dissolves in excess ammonia Therefore the cation in M is

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  • A. Zn
  • B. Ca
  • C. Al
  • D. Pb
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