Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNIPORT
  4. /
  5. Chemistry
  6. /
  7. 2012/2013
  8. /
  9. Q8
Question 8

25cm3 of a gas x contains z molecules at 15°C and 75mmHg. How many molecules will 25xm3 of another gas y contain at the same temperature and pressure?

  • A.2y
  • B.2z
  • C.z
  • D.y
Objective

Question details

Exam body
UNIPORT
Subject
Chemistry
Year
2012/2013
Question no.
#8
Type
Objective
Previous · Q7Who discovered the atom? Next · Q9 The technique used for the separation of immiscible liquids is

More from this paper

  • Q3A saturated solution of potassium chloride was prepared at x°C. if 30cm 3 of the…
  • Q4The general methods of preparing salts include i. neutralization ii…
  • Q5When a metal plate is placed in a solution containing its ions, some of thee…
  • Q6How many isomers can be obtained from C 4 H 10 ?
  • Q10Which of the following denotes alpha particle?
  • Q11The Shapes of CO 2 , H 2 O and CH 4 respectively are
See all Chemistry 2012/2013 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