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

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 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
Your School's Whatsapp Group - Join Us now
316

C\(_2\)H\(_5\)OH(aq) → Y
If the above reaction takes place in conc. H\(_2\)SO\(_4\) at 180\(^0\)C, Y represents

  • A. CH4
  • B. C2H5COOH
  • C. C2H4
  • D. CH3OCH3
View Answer & Discuss (5) JAMB 2004
317

Alkanol + Alkanoic acid  ⇌  Ester + Water
The reverse reaction above is known as

  • A. Hydrolysis
  • B. Saponification
  • C. Hydration
  • D. Fermentation
View Answer & Discuss (3) JAMB 2004
318

In the production of soap, concentrated sodium chloride solution is added to

  • A. Increase the solubility of soap
  • B. Decrease the solubility of the soap
  • C. Saponify the soap
  • D. Emulsify the soap
View Answer & Discuss (22) JAMB 2004
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
319

Which of the following equimolar solutions will have the highest pH?

  • A. CH3COOH
  • B. NaOH
  • C. HCl
  • D. NH4OH
View Answer & Discuss (4) JAMB 2005
320

Which of the following ions require the largest quantity of electricity for discharge at an electrode?

  • A. 4.0 moles of Cl-
  • B. 3.0 moles of Na+
  • C. 2.5 moles of Cu2+
  • D. 2.0 moles of Al3+
View Answer & Discuss (30) JAMB 2005
Start a Free Practice Test
 
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent