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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 46:
In the reaction between sodium hydroxide and sulphuric acid solutions, what volume of 0.5 molar sodium hydroxide would exactly neutralise 10cm3 of 1.25 molar sulphuric acid?
  • A 5cm\(^3\)
  • B 10cm\(^3\)
  • C 20cm\(^3\)
  • D 50cm\(^3\)
View Answer & Explanation
Question 47:
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 & Explanation
Question 48:
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 & Explanation
Question 49:
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 & Explanation
Question 50:
The constituent common to duralumin and alnico is
  • A Co
  • B Mn
  • C Al
  • D Mg
View Answer & Explanation