Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent

Chemistry Past Questions

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

Your School's Whatsapp Group - Join Us now
Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
871

The general formula of alkanoates is?

  • A. RCHO
  • B. R2CO
  • C. RCOOH
  • D. RCOOR
View Answer & Discuss (11) JAMB 1994
872
One mole of a hydrocarbon contains 48 g of carbon. If it vapour density is 28, the hydrocarbon is?
  • A. an alkane
  • B. an alkene
  • C. an alkyne
  • D. aromatic (C = 12, H = 1)
View Answer & Discuss (6) JAMB 1994
873
Which of the following reagents will confirm the presence of unsaturation in a compound?
  • A. Fehling's solution
  • B. Bromine water
  • C. Tollen's reagent
  • D. Benedict's solution
View Answer & Discuss (2) JAMB 1994
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
Post UTME Past Questions Agent
874

Chromatography is used to separate components of mixtures which differ in their rates of?

  • A. diffusion
  • B. migration
  • C. reaction
  • D. sedimentaion
View Answer & Discuss (12) JAMB 1995
875
Which of the following is a example of a chemical change?
  • A. Dissoultion of salt in water
  • B. Rusting of iron
  • C. Melting of ice
  • D. Separating a mixture by distillation
View Answer & Discuss (2) JAMB 1995
Start a Free Practice Test
 
Post UTME Past Questions Agent
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