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4366

Strong acids can be distinguished from weak acids by any of the following methods, EXCEPT

  • A. Conductivity measurement
  • B. The use of litmus paper
  • C. Measurement of pH
  • D. Measurement of heat of reaction
View Answer & Discuss (6) JAMB 2024
4367

The chemical formula for potassiumhexacyanoferrate(II) is

  • A. [Fe(CN)\(_6\)]\(^{4-}\)
  • B. K\(_3\)Fe(CN)\(_6\)
  • C. Fe(CN)\(_6\)
  • D. K\(_4\)Fe(CN)\(_6\)
View Answer & Discuss (3) JAMB 2024
4368

For chemical reaction to be spontaneous, ∆G must be

  • A. positive
  • B. negative
  • C. zero
  • D. equal to the enthalpy change
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4369

How many moles of CO\(_2\) are produced when ethanol is burnt with 6g of oxygen

  • A. 0.125
  • B. 0.250
  • C. 0.375
  • D. 0.750
View Answer & Discuss (10) JAMB 2024
4370

Which of these is the most preferred separation technique for the isolation of solutes where the purity of the constituent is of utmost importance?

  • A. sieving
  • B. Distillation
  • C. recrystallization
  • D. Precipitation
View Answer & Discuss (4) JAMB 2024
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