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Chemistry 2017 JAMB Past Questions

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46
The furring of kettles is caused by the presence in water of
  • A. calcium hydrogentrioxocarbonate (IV)
  • B. calcium trioxocarbonate (IV)
  • C. calcium tetraoxosulphate (VI)
  • D. calcium hydroxide
View Answer & Discuss (24) JAMB 2017
47
Water for town supply is chlorinate to make it free from
  • A. bad colour
  • B. bacteria
  • C. temporary hardness
  • D. permanent hardness
View Answer & Discuss (2) JAMB 2017
48

Ca(OH)2(s) + 2NH4Cl(s) → CaCl2(s) + 2H2O(l) + X. In the reaction above X is

  • A. NO2
  • B. NH3
  • C. N2O
  • D. NO2
View Answer & Discuss (4) JAMB 2017
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49

X(g) + 3Y(g) ---- 2z(g) H = +ve. if the reaction above takes place at room temperature, the G will be

  • A. negative
  • B. zero
  • C. positive
  • D. indeterminate
View Answer & Discuss (24) JAMB 2017
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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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