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Chemistry 1991 JAMB Past Questions

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36
Copper (II) tetraoxosulphate (IV) is widely used as a?
  • A. fertilizer
  • B. fungicide
  • C. disinfectant
  • D. purifier
View Answer & Discuss (9) JAMB 1991
37
Which of the following compounds can exist as geometric isomers?
  • A. 2-methylbut-2ene
  • B. But-2-ene
  • C. But-1-ene
  • D. CI-C-Br
View Answer & Discuss (3) JAMB 1991
38

How many grams of bromine will be required to completely react with 10 g of propyne?

(C = 12, H = 1, Br = 80)

  • A. 20 g
  • B. 40 g
  • C. 60 g
  • D. 80 g
View Answer & Discuss (16) JAMB 1991
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39
Ethene when passed into concentrated H2SO4 is rapidly absorbed. The product is diluted with water and then warmed to produce?
  • A. ethanol
  • B. diethyl ether
  • C. ethanal
  • D. diethyl sulphate
View Answer & Discuss (5) JAMB 1991
40
One advantages of detergents over soap is that detergents?
  • A. are easier to maufacture
  • B. foam more than soap
  • C. form soluble salts with hard water
  • D. are able to deter germs more than soap
View Answer & Discuss (5) JAMB 1991
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