Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 1989
  8. /
  9. Q13
Question 13

When an element can exist in two or more forms in the same physical state, the element is said to exhibit

  • A.isotopy
  • B.isomerism
  • C.allotropy
  • D.hygroscopy
  • E.sublimation
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1989
Question no.
#13
Type
Objective
Previous · Q12Given that for the reaction KOH (aq) + HCI(aq) → KCI(aq) + H2O(L) H = - 54… Next · Q14 Which of the following carbohydrates does NOT usually occur in the crystalline…

More from this paper

  • Q9If 200cm 3 of a gas at s.t.p. has a mass of 0.268g, what is its molar mass?…
  • Q10How many carbon atoms are there in a benzene ring?
  • Q11Which of the following gases will bleach moist litmus paper?
  • Q15Copper can best be purified by
  • Q16Locally produced soap in which wood ash is used as the base is usually soft…
  • Q17Why is potassium fluoride added to the electrolyte in the extraction of sodium…
See all Chemistry 1989 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy