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Chemistry 2017 WAEC Past Questions

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46

The condensation of two units of glucose will produce a dissacharide with the formula \(C_{12}H_{22}O_{11}\) which is

  • A. sucrose
  • B. maltose
  • C. galactose
  • D. mannose
View Answer & Discuss (2) WAEC 2017
47

The IUPAC name for the compound \(ClCH_{2}CH_{2}OH\) is

  • A. 1- chloropropanol
  • B. 2-chloropropanol
  • C. 1-chloroethanol
  • D. 2-chloroethanol
View Answer & Discuss (7) WAEC 2017
48

The real harmful effect of the release of chlorofluorocarbons into the atmosphere is that it eventually causes

  • A. excessive ultraviolet light from the sun to reach the earth surface
  • B. excessive release of infrared light from the sun to the earth surface
  • C. corrosive effect of the chemicals on humans and animals
  • D. acidic effect of chemicals on humans
View Answer & Discuss (2) WAEC 2017
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49

A primary alkanol has a molecular mass of 60. What is the structural formula of the compound? [C= 12.0, H= 1.0, O= 16.0)

 



 

  • A. A
  • B. B
  • C. C
  • D. D
View Answer & Discuss (4) WAEC 2017
50

Petroleum is a non-renewable source of energy because it

  • A. is formed naturally
  • B. is cheap
  • C. can be recycled after use
  • D. cannot be regenerated once used up
View Answer & Discuss WAEC 2017
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