[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
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
  1. Home
  2. Classroom
  3. Chemistry
  4. WAEC 1997

Chemistry 1997 WAEC Past Questions

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

WAEC offline past questions - with all answers and explanations in one app - Download for free
Post UTME Past Questions Agent
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
26

Which of the following is the relative molecular mass of a compound which has empirical formula CH\(_2\)O? (H = 1; C = 12; O = 16)

  • A. 42
  • B. 45
  • C. 126
  • D. 180
  • E. 145
View Answer & Discuss (17) WAEC 1997
27
The by-product of the fermentation of sugar to ethanol is
  • A. propane -1,2,3-triol
  • B. ethyl ethanoate
  • C. ethanedioc acid
  • D. propanol
  • E. carbon (lV) oxide
View Answer & Discuss WAEC 1997
28
Alkanes react with the halogens mainly by
  • A. oxidation
  • B. polymerization
  • C. addition
  • D. reduction
  • E. substitution
View Answer & Discuss (1) WAEC 1997
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
WAEC offline past questions - with all answers and explanations in one app - Download for free
29
Which of the following is used widely in the manufacture of flavours and perfumes?
  • A. Alkanoates
  • B. Alkanones
  • C. Alkanes
  • D. Complex sugars
  • E. Aliphatic compounds
View Answer & Discuss (2) WAEC 1997
30
The use of diamond in abrasives is due ti its
  • A. high melting point
  • B. durability
  • C. lustre
  • D. hardness
  • E. octahedral shape
View Answer & Discuss WAEC 1997
Start a Free Practice Test
 
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post UTME Past Questions Agent