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

Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
1536

The IUPAC name for

  • A. 1-methlpentane
  • B. 3-methylbutane
  • C. 2-methylbutane
  • D. 1-dimethylpropane
  • E. 2-methylpentane
View Answer & Discuss (19) JAMB 1981
1537

The solubility curve of a solid X (molecular mass = 160) is as show above. 1,000 cm3 of a saturated solution of X at 80°C is cooled to 40°C . The weight of X crystalized out would be

  • A. 10 g
  • B. 12 g
  • C. 14 g
  • D. 16 g
  • E. 18 g
View Answer & Discuss (15) JAMB 1982
1538
The i.u.p.A.C name for the compound
  • A. 2-chloro-isopentane
  • B. 3-chloro-isopentane
  • C. 2-chloro-2-methylbutane
  • D. 1-chloro-2,2- dimethylpropane
  • E. 2-chloro-2-ethylpropane
View Answer & Discuss (3) JAMB 1982
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
1539
The solubility curves of four substances are shown in the figure above. Which of the four substances would crystallize from a saturated solution cooled from 353K(80oC)to 323K(50C)?
  • A. P and Q
  • B. P and R
  • C. P and S
  • D. R and S
  • E. Q and R
View Answer & Discuss (4) JAMB 1984
1540
Which of the curves shown in the figure given represents the relationships between the volume(V) and pressure(P) of an ideal gas at constant temperature
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • E. 1 and 3
View Answer & Discuss (12) JAMB 1984
Start a Free Practice Test
 
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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