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Chemistry 2018 JAMB Past Questions

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46

To what volume must 300cm\(^3\) of 0.60M sodium hydroxide solution be diluted to give a 0.40M solution?

  • A. 450cm\(^3\)
  • B. 300cm\(^3\)
  • C. 200cm\(^3\)
  • D. 150cm\(^3\)
View Answer & Discuss (4) JAMB 2018
47

Diamond is a bad conductor of electricity because its bonding electrons are used in

  • A. crystal lattice formation
  • B. covalent bond formation
  • C. metallic bond formation
  • D. coordinate bond formation
View Answer & Discuss (5) JAMB 2018
48

The reaction between an organic acid and an alcohol in the presence of an acid catalyst is known as;

  • A. saponification
  • B. dehydration
  • C. esterification
  • D. hydrolysis
View Answer & Discuss (1) JAMB 2018
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49

The constituent common to duralumin and alnico is

  • A. Co
  • B. Mn
  • C. Al
  • D. Mg
View Answer & Discuss (1) JAMB 2018
50

The solubility of the solids that dissolves in a given solvent with the liberation of heat will

  • A. increase with an increase in temperature
  • B. decrease with an increase in temperature
  • C. decrease with a decrease in temperature
  • D. not be affected by changes in temperature
View Answer & Discuss (12) JAMB 2018
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