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Chemistry Past Questions and Answers

Jamb Chemistry Questions

Question 46:
Which of the following are the products of the reaction between CH3COOH and CI2 in sunlight?
  • A CICH2COOH + HCI
  • B CH3COCI + HOCI
  • C CH3COOCI + HCI
  • D CH3COCI + HO2
View Answer & Explanation
Question 47:
Which of these is an acid salt?
  • A K2SO4-.AI2(SO4)3.24H2O
  • B CuCO3.Cu(OH)2
  • C NaHS
  • D CaOCI2-
View Answer & Explanation
Question 48:
The electrons of two atoms Y and Z are arranged in shells as shown above. The bond formed between the atoms of Y and Z is
  • A Ionic
  • B Covalent
  • C Dative
  • D Metallic
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Question 49:
50 cm3 of sulphur (lV) oxide, 800 cm3 of carbon (IV) oxide will respectively saturate 1.0cm3 of water at 15oC. Which of the following is suitable for demonstrating the fountain experiment?
  • A Sulphur (IV) oxide and hydrogen chloride.
  • B Carbon (IV) oxide and ammonia
  • C Ammonia and hydrogen chloride
  • D Carbon (IV) oxide and Sulphur (IV) oxide
View Answer & Explanation
Question 50:
The data in the table above shows the rate of reaction of nitrogen (ll) oxide with chlorine at 25oC It can be concluded that doubling the initial concentration of NO increase the rate of reaction by a factor of
  • A Two
  • B Three
  • C Four
  • D Five
View Answer & Explanation