Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UNN
  4. /
  5. Chemistry
  6. /
  7. 2010/2011 DAY 1
  8. /
  9. Q5
Question 5

The densities of two gases X and Y are 2.5gdm-3 and 10.0gdm-3 respectively. What is the rate of diffusion of X relative to Y?

  • A.1:2:5
  • B.2:5:1
  • C.1:2
  • D.2:1
Objective

Question details

Exam body
UNN
Subject
Chemistry
Year
2010/2011 DAY 1
Question no.
#5
Type
Objective
Previous · Q4Which of the following decreases when a given mass of gas is compressed to half… Next · Q6 The properties of elements are periodic functions of their

More from this paper

  • Q1Crystallization is a better method of separation than precipitation because
  • Q2Which of the following is not a chemical change?
  • Q3An important ore of iron contains 72.36% iron and 27.64% oxygen. Determine its…
  • Q7Which of the following solutions containing only hydroxyl ions will liberate…
  • Q8In the redox reaction 2Fe 2+ + Cl 2 ----> 2Fe 3+ + 2Cl -
  • Q9During electrolysis of molten sodium chloride,
See all Chemistry 2010/2011 DAY 1 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