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

Chemistry Past Questions

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

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
Post UTME Past Questions Agent
471

In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove?

  • A. large particles
  • B. germs
  • C. fine particles
  • D. odour
View Answer & Discuss (16) JAMB 2008
472

When a few drops of water is added to a blue anhydrous cobalt (II) chloride, the colour changes to

  • A. white
  • B. pink
  • C. red
  • D. blue
View Answer & Discuss (5) JAMB 2008
473

The vulcanizer's solution is prepared by dissolving rubber in

  • A. ethanol
  • B. kerosine
  • C. benzene
  • D. petrol
View Answer & Discuss (5) JAMB 2008
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
474

117.0g of sodium chloride was dissolved in 1.0dm3 of distilled water at 25°C. Determine the solubility in mol dm-3 of sodium chloride at that temperature
[Na = 23, Cl = 35.5]

  • A. 1.0
  • B. 2.0
  • C. 3.0
  • D. 4.0
View Answer & Discuss (9) JAMB 2008
475

The uncovered raw food that is sold along major roads is likely to contain some amounts of

  • A. Pb
  • B. Cu
  • C. Ag
  • D. Na
View Answer & Discuss (4) JAMB 2008
Start a Free Practice Test
 
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
Your School's Whatsapp Group - Join Us now