Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 2018
  8. /
  9. Q14
Question 14

Pure water can be made to boil at a temperature lower than 100°C by

  • A.reducing its quantity
  • B.decreasing the external pressure
  • C.distilling it
  • D.increasing the external pressure
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2018
Question no.
#14
Type
Objective
Previous · Q13What is the mass of solute in 500\(cm^{3}\) of 0.005\(moldm^{-3}\)… Next · Q15 At what temperature does the solubility of \(KNO_{3}\) equal that of…

More from this paper

  • Q10Consider the following reaction equation: \(Br_{2} + 2KI \to 2KBr + I_{2}\)…
  • Q11Ethene is produced from ethanol by
  • Q12Consider the following equilibrium reaction: \(2AB_{{2}{(g)}} + B_{{2}{(g)}} \to…
  • Q16When a salt is added to its saturated solution, the salt
  • Q17When substance X was added to a solution of bromine water, the solution became…
  • Q18The preferential discharge of ions during electrolysis is influenced by the
See all Chemistry 2018 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