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1301

Which of the following compounds will burn with a brick-red colour in a non-luminous Bunsen flame?

  • A. LiCI
  • B. NaCl
  • C. CaCl2
  • D. MgCl2
View Answer & Discuss (4) JAMB 2012
1302

The purest form of iron which contains only about 0.1% carbon is

  • A. pig iron
  • B. wrought iron
  • C. cast iron
  • D. iron pyrite
View Answer & Discuss (1) JAMB 2012
1303
A common characteristic between zinc and the other transition elements is the ability to
  • A. have variable oxidation states
  • B. from complex ions
  • C. act as a catalyst
  • D. from coloured ions
View Answer & Discuss (2) JAMB 2012
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1304
Which of the following metals is the least reactive?
  • A. Pb
  • B. Sn
  • C. Hg
  • D. Au
View Answer & Discuss (2) JAMB 2012
1305
Geometric isomerism can exist in
  • A. hex-3-ene
  • B. hexane
  • C. prop-l-ene
  • D. 3-methyl but -l-ene
View Answer & Discuss (5) JAMB 2012
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