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Chemistry 2022 JAMB Past Questions

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26

The reactions below represent neutralization reaction, in which of them is the value of ΔH highest?

 

  • A. CH\(_3\)CH\(_2\)COOH + KOH → CH\(_3\)CH\(_2\)COOK + H\(_2\)O
  • B. NH\(_4\)OH + HCL → NH\(_4\) + H\(_2\)O
  • C. NaOH + HCL → NaCL + H\(_2\)O
  • D. CH\(_3\)COOH + NaOH → CH\(_3\)COONa + H\(_2\)O
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27

The pollutant usually presents in a city which generates its electricity from coal?

  • A. fog
  • B. carbon(ii)oxide
  • C. smog
  • D. sulphur(iv)oxide
View Answer & Discuss (6) JAMB 2022
28

The dehydration of CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)OH will give?

  • A. HC≡CCH\(_2\)CH\(_3\)
  • B. CH\(_2\)≡CH\(_2\)CH\(_3\)
  • C. CH\(_3\)C≡CCH\(_3\)
  • D. CH\(_3\)CH=CHCH\(_3\)
View Answer & Discuss (4) JAMB 2022
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29

When heat is absorbed during a chemical reaction, the reaction is said to be

  • A. thermodynamic
  • B. exothermic
  • C. isothermal
  • D. endothermic
View Answer & Discuss (2) JAMB 2022
30

Which of the following best represent solid gas mixture?

  • A. milk
  • B. kerosene
  • C. soil
  • D. smoke
View Answer & Discuss (1) JAMB 2022
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