[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
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
  1. Home
  2. Classroom
  3. Chemistry

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
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
3176

In the laboratory preparation of ethyl ethanoate, the water present in the mixture is removed using ?

  • A. Anhydrous CaCl2
  • B. concentrated NaCO4
  • C. dilute NaOH
  • D. concentrated H2SO4
View Answer & Discuss (9) JAMB 2017
3177

The constituent of air necessary in the rusting process are

  • A. O2 and H2O
  • B. Ar and CO2
  • C. CO2 and H2O
  • D. O2 and CO2
View Answer & Discuss (8) JAMB 2017
3178
For a general equation of the nature xP + yQ → mR + nS, the expression for the equilibrium constant is
  • A. k [P]x [Q]y
  • B. \(\frac{[P]^x [Q]^y}{[R]^m [S]^n}\)
  • C. \(\frac{[R]^m [S]^n}{[P]^x [Q]^y}\)
  • D. \(\frac{m[R] n[S]}{x[P] y[Q] }\)
View Answer & Discuss (1) JAMB 2017
Your School's Whatsapp Group - Join Us 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
3179
A given mass of gas occupies 2dm3 at 300k. At what temperature will its volume be doubled, keeping the pressure constant?
  • A. 400k
  • B. 480k
  • C. 550k
  • D. 600k
View Answer & Discuss (12) JAMB 2017
3180
The oxidation number of iodine in KIO3 is
  • A. +7
  • B. +3
  • C. +5
  • D. +6
View Answer & Discuss (5) JAMB 2017
Start a Free Practice Test
 
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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
Post UTME Past Questions Agent