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Steam changes the colour of anhydrous cobalt (II) chloride from

Chemistry
JAMB 2002

Steam changes the colour of anhydrous cobalt (II) chloride from

  • A. blue to pink
  • B. white to red
  • C. white to green
  • D. blue to white
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Correct Answer: Option A
Explanation

Steam changes the color of anhydrous cobalt (II) chloride from blue to pink.

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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