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

Chemistry Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

WAEC and NECO CBT Software for Computers and Laptops - 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 App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
1551

The oxidation of

  • A. 2-butanone
  • B. 2-butanal
  • C. butane
  • D. butanoic acid
  • E. 3-butanal
View Answer & Discuss (16) JAMB 1985
1552

The I.U.P.A.C name for the compound

  • A. 2-methyl-3-pentene
  • B. 4-methyl-2-pentane
  • C. 2-methyl-2-pentene
  • D. 4-methylpent-2-ene
  • E. 2-methyl-3-pentane
View Answer & Discuss (9) JAMB 1985
1553
Use the following option above to answer this question. Which of the following is the functional group of carboxylic acids?
  • A. A
  • B. B
  • C. C
  • D. D
  • E. E
View Answer & Discuss (2) JAMB 1985
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
Post UTME Past Questions Agent
1554

In the solubility curve above, water at 98\(^0\)C is saturated with KCl and KCIO\(_3\). What is the percentage of KCl impurity in the crystals formed when the solution is cooled to 30\(^0\)C?

  • A. 51.5
  • B. 45.5
  • C. 34.5
  • D. 26.5
View Answer & Discuss (21) JAMB 1986
1555
In the electrolysis of aqueous solution of K2SO 4 in the above cell, which species migrate to the anode?
  • A. SO2-OH -
  • B. K + and SO 4 2-
  • C. OH and HO
  • D. H3O + and K
View Answer & Discuss (2) JAMB 1986
Start a Free Practice Test
 
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now