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Chemistry 2021 JAMB Past Questions

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36

One of the following is not a physical property of monosaccharides?

  • A. Monosaccharides get charred when heated
  • B. Monosaccharides are water-soluble, sweet substances
  • C. They are highly vital to the exploration of metals
  • D. They can be reduced to sugar alcohols
View Answer & Discuss (3) JAMB 2021
37

In troposphere, the two types of pollutants are?

  • A. Gaseous and particulate pollutants
  • B. Carbon and metallic pollutants
  • C. Natural and man-made pollutants
  • D. Sulphuric and nitrogenous pollutants
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38

The molar enthalpy change accompanying the removal of an electron from a gas phase atom or ion in its ground state is called?

  • A. Electron gain enthalpy
  • B. Ionization enthalpy
  • C. Enthalpy change
  • D. Enthalpic gas removal
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39

The fourteen elements (atomic number 90-103) after actinium are called? 

  • A. Actinoids
  • B. Nucleotides
  • C. Pre-actinum elements
  • D. Atomic elements
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40

The process by which salt and water reacted in a limited way to form an acid or a base is?

  • A. Neutral process
  • B. Basic acidic process
  • C. Hydrolysis
  • D. Sublimation
View Answer & Discuss (5) JAMB 2021
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