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

Chemistry 1993 JAMB 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
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
11
The air around a petroleum refinery is most likely to contain?
  • A. CO2, SO3 and N2O
  • B. CO2, CO and N2O
  • C. SO2, CO and NO2
  • D. PH3 H2O and CO2
View Answer & Discuss (2) JAMB 1993
12
Water can be identified by the use of?
  • A. anhydrous copper (II) tetraoxosulphate (VI)
  • B. anhydrous sodium trioxocarbonate (IV)
  • C. potassium heptaoxochromate (VII)
  • D. copper (II) trioxocaronate (IV)
View Answer & Discuss (1) JAMB 1993
13
The phenomenon whereby sodium trioxocarbonate (IV) decahydrate loses some of its water of crystallization on exposure to the atmosphere is known as?
  • A. deliquescene
  • B. hygroscopy
  • C. effervescence
  • D. efflorescence
View Answer & Discuss (2) JAMB 1993
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
14

A student prepares 0.5 M solution each of hydrochloric and ethanoic acids and then measured pH. The result would show that the?

  • A. pH values are equal
  • B. HCI solution has a higher pH
  • C. sum of the values is 14
  • D. ethanoic acid solution has a higher pH
View Answer & Discuss (11) JAMB 1993
15

NH\(_3\)  +  H\(_3\)O\(^+\) → NH\(_4\)\(^+\) + H\(_2\)O. It may be deduced from the reaction above that?

  • A. a redox reaction has occurred
  • B. H3O+ acts as an oxidizing agent
  • C. H3O+ acts as an acid
  • D. water acts as an acid
View Answer & Discuss (20) JAMB 1993
Start a Free Practice Test
 
Post UTME Past Questions Agent
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
Your School's Whatsapp Group - Join Us now