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Chemistry 2001 WAEC Past Questions

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6
A sheet of paper is placed in the path of a beam from a radioactive source. The emissions that pass through the paper consist of
  • A. alpha particles and gamma rays
  • B. alpha and beta particles
  • C. beta particles and gamma rays
  • D. alpha particles only
View Answer & Discuss (1) WAEC 2001
7
Which of the following features of a human skeleton can be determined by carbon-dating?
  • A. Height
  • B. Mass
  • C. Age
  • D. Race
View Answer & Discuss (4) WAEC 2001
8
Which of the following statements about ideal gases is/are correct? 1. The cohesive forces between their particles are negligible ll. The have no definite volume but occupy the volume of their containers III. They are not compressible IV. Their particles collide with loss of energy
  • A. l only
  • B. l and ll only
  • C. l, ll and lll only
  • D. l, ll, lll, and IV
View Answer & Discuss (3) WAEC 2001
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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9
P Total = F1 + P2 + P 3 + .........Pn' where P Total is the pressure of a mixture of gasses. The equation above is an expression of
  • A. Graham's law
  • B. Gay-Lussac's Law
  • C. Boyle's law
  • D. Dalton's law
View Answer & Discuss WAEC 2001
10
Which of the following pairs of reagents reat to produce hydrogen?
  • A. Zinc and concentrated trioxonitrate (V) acid
  • B. Water and calcium dicarbide
  • C. Copper and dilute hydrochloric acid
  • D. Magnesium and dilute tetraoxosulphate (VI) acid
View Answer & Discuss (2) WAEC 2001
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