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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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2556
The following substances are ores of metals except
  • A. bauxite
  • B. cuprite
  • C. cassiterite
  • D. graphite
View Answer & Discuss (2) WAEC 2011
2557
Which of the following processes does not involve the use of limestone?
  • A. Extraction of iron in the blast furnance
  • B. Manufacture of tetraoxosulphate (VI) acid by Contact process
  • C. Production of washing soda by Solvay process
  • D. Production of cement
View Answer & Discuss (3) WAEC 2011
2558
Aluminium is extracted electrolysis from
  • A. bauxite
  • B. cryolite
  • C. duralumin
  • D. kaolin
View Answer & Discuss WAEC 2011
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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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2559

Which of the following instruments is used in detecting the presence of radiation?

  • A. Cathode ray tube
  • B. Geiger-Muller counter
  • C. Mass spectrometer
  • D. X-ray tube
View Answer & Discuss (1) WAEC 2013
2560

The molecule which has a linear shape is

  • A. CH4
  • B. NH3
  • C. H2S
  • D. CO2
View Answer & Discuss (2) WAEC 2013
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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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