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Chemistry 1994 WAEC Past Questions

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1
The components of universal indicator solution can best be separated by
  • A. chromatography
  • B. filtration
  • C. evaporation
  • D. crystallization
  • E. fractional distillation
View Answer & Discuss (1) WAEC 1994
2
The number of replaceable hydrogen atoms in one acid indicates its
  • A. basicity
  • B. acidity
  • C. alkalinity
  • D. reactivity
  • E. pH value
View Answer & Discuss (3) WAEC 1994
3

Catalytic hydrogenation of alkenes produces compounds with the general formula

  • A. CnH2n+1 OH
  • B. CnH2n+1
  • C. CnH2n+2
  • D. CnH2n-2
  • E. Cx(H2O)y
View Answer & Discuss (2) WAEC 1994
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4
A measure of the degree of disorder in a chemical system is known as the
  • A. enthalpy
  • B. free energy
  • C. activation energy
  • D. entrophy
  • E. equilibrium
View Answer & Discuss (1) WAEC 1994
5
In any chemical reaction, the total mass of the products is always equal to that of the reactants. This is statement of the law of
  • A. definite proportion
  • B. conservation of matter
  • C. multiple proportions
  • D. reciprocal proportions
  • E. constant composition
View Answer & Discuss (1) WAEC 1994
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts