Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
  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

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
11
An acid is a substance which in the presence of water produces
  • A. salts
  • B. oxygen
  • C. effervescence
  • D. hydroxonium ions
  • E. hydrogen gas
View Answer & Discuss (1) WAEC 1997
12
Which of the following is a general method of preparing acids?
  • A. Direct combination of constituent elements
  • B. Double decomposition involving a salt solution
  • C. Reaction between an anhydride and water
  • D. Reaction between a base and an amphoteric oxide
  • E. Dissolution of hydroxides followed by neutralization
View Answer & Discuss (2) WAEC 1997
13

Which of the following is a general method of preparing acids?

  • A. Direct combination of constituent elements
  • B. Reaction between a base and an amphoteric oxide
  • C. Double decomposition involving a salt solution
  • D. Reaction between an anhydride and water
  • E. Dissolution of hydroxides followed by neutralization
View Answer & Discuss (6) WAEC 1997
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
14
The loss of molecules of water of crystallization to the atmosphere by some crystalline salts is known as
  • A. efflorescence
  • B. effervescence
  • C. phosphorescence
  • D. fluorescence
  • E. deliquescence
View Answer & Discuss (1) WAEC 1997
15
Which of the following ions will migrate to the cathode during electrolysis?
  • A. Zinc ions
  • B. Chloride ions
  • C. Sulphide ions
  • D. Tetraoxosulphate (Vl) ions
  • E. Trioxonitrate (V) ions
View Answer & Discuss WAEC 1997
Start a Free Practice Test
 
WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts