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

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 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
1231
If 24.83 cm3 of 0.15 M NaOH is titrated to its end point with 39.45 cm3
of HCl, what is the molarity of the HCl?
  • A. 0.094 M
  • B. 0.150 M
  • C. 0.940 M
  • D. 1.500 M
View Answer & Discuss (5) JAMB 1987
1232

The atomic numbers of two elements X and Y are 12 and 19 respectively. The bond of these two elements is?

  • A. ionic
  • B. covalent
  • C. Metallic
  • D. co-ordinate
View Answer & Discuss (25) JAMB 1987
1233
If d represents the density of a gas and K is a constant, the rate of gaseous diffusion r is related to d by the equation?
  • A. r = k/√d
  • B. r = kd
  • C. r =k/d
  • D. r = k √d
View Answer & Discuss (8) JAMB 1987
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 - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
1234
An isotope has an atomic number of 17 and a mass number of 36. Which of the following gives the correct number of neutrons and protons in an atom of the isotope?
  • A. Neutrons 53, Protons 17
  • B. Neutrons 17, Protons 36
  • C. Neutrons 19, Protons 17
  • D. Neutrons 36, Protons 17
View Answer & Discuss (3) JAMB 1987
1235
An element Z, contained 90% of 168Z and 10% of Z1818 its relative atomic mass is?
  • A. 16.0
  • B. 16.2
  • C. 17.0
  • D. 17.8
View Answer & Discuss (5) JAMB 1987
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