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3841

Biotechnology is applied in the? 

  • A. treatment of sewage
  • B. treatment of water
  • C. purification of chemicals
  • D. purification of metals
View Answer & Discuss (1) WAEC 2019
3842

which of the following organic compounds has the lowest boiling point?

  • A. C\(_6\)H\(_14\)
  • B. C\(_5\)H\(_12\)
  • C. C\(_4\)H\(_10\)
  • D. ( CH\(_3\) )\(_3\)
View Answer & Discuss WAEC 2019
3843

Consider the following reaction represented by the following equation:

C\(_2\)H\(_2\) \(^{H_2}_{→}\) X  \(^{H_2}_{→}\) Y.           X and Y respectively are?

  • A. ethane and ethene
  • B. ethene and ethane
  • C. ethyne and ethene
  • D. ethane and ethyne
View Answer & Discuss (2) WAEC 2019
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3844

Which of the following substances can be classified as heavy chemicals?  

  • A. CaOCl\(_2\)
  • B. H\(_2\)SO\(_4\)
  • C. AgNO\(_3\)
  • D. CaO
View Answer & Discuss (2) WAEC 2019
3845

in Boyle's law?

  • A. T is constant, P varies directly with V
  • B. P is constant, V varies inversely with T
  • C. V is constant, P varies directly with T
  • D. T is constant, V varies inversely with P
View Answer & Discuss (1) WAEC 2019
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