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

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
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
3266

The solubility of the solids that dissolves in a given solvent with the liberation of heat will

  • A. increase with an increase in temperature
  • B. decrease with an increase in temperature
  • C. decrease with a decrease in temperature
  • D. not be affected by changes in temperature
View Answer & Discuss (14) JAMB 2018
3267

What mass of Cu would be produced by the cathodic reduction of Cu\(^{2+}\)  when 1.60A of current passes through a solution of CuSO\(_4\) for 1 hour. (F=96500Cmol\(^{-1}\) , Cu=64)

  • A. 7.64g
  • B. 3.82g
  • C. 1.91g
  • D. 0.96g
View Answer & Discuss (5) JAMB 2018
3268

Calculate the pH of 0.05 moldm\(^{-3}\) H\(_2\)SO\(_4\)

  • A. 1.30
  • B. 1.12
  • C. 1.00
  • D. 0.30
View Answer & Discuss (7) JAMB 2018
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
Your School's Whatsapp Group - Join Us now
3269

The choice of method for extracting a metal from its ores depends on the

  • A. strength of the core
  • B. position of the metal in the electrochemical series
  • C. source of the core
  • D. position of the metal in the periodic table
View Answer & Discuss (3) JAMB 2018
3270

Which of the following produces relatively few ions in solution?

  • A. NaOH
  • B. Ca(OH)\(_2\)
  • C. KOH
  • D. AI(OH)\(_3\)
View Answer & Discuss (3) JAMB 2018
Start a Free Practice Test
 
Post UTME Past Questions Agent
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 Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now