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2266
What is the change in the oxidation number of 1- in the reaction represented by the following equation? 51 -1(aq) + 6H+(aq) + 1O-3(aq) → 312(g) + 3H2O(l)
  • A. -5 to -3
  • B. -1 to 0
  • C. + 5 to + 0
  • D. -1 to + 2
View Answer & Discuss WAEC 2004
2267
The key factor to be considered in siting a chemical industry is
  • A. favourable climatic conditions
  • B. the availability of space to store raw materials
  • C. its nearness to other industrial establishments
  • D. its nearness to the source of raw materials
View Answer & Discuss WAEC 2004
2268
Which of the following reactions will be affected by change in pressure at equilibrium?
  • A. X(g) + Y(g) ⇌ W(g) + Z(g)
  • B. X(g) + 2Y(g) ⇌W(g) + Z(g)
  • C. 2X(g) ⇌ W(g) + Z(g)
  • D. 2Y(g) ⇌ W(g) + Z(g)
View Answer & Discuss (1) WAEC 2004
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2269

WHICH OF THE FOLLOWING PETROLEUM FRACTIONS YIELDS VASELINE AND PARAFFIN WAX ON REDISTILLATION?

  • A. DIESEL OIL
  • B. LUBRICATION OIL
  • C. PETROL
  • D. KEROSENE
View Answer & Discuss (2) WAEC 2004
2270

What is the product Cx Hy in the following equation? \(C_{10}H_{22}\) → \(C_{8}H_{18}\) + CxHy

  • A. butene
  • B. octane
  • C. ethene
  • D. decane
View Answer & Discuss (7) WAEC 2004
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