Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. UI
  4. /
  5. Chemistry
  6. /
  7. 2013/2014
  8. /
  9. Q13
Question 13

Which of the following gases is the most dangerous pollutant?

  • A.Hydrogen sulphide
  • B.Carbon (IV) oxide
  • C.Sulphur (IV) oxide
  • D.Carbon (II) oxide
Objective

Question details

Exam body
UI
Subject
Chemistry
Year
2013/2014
Question no.
#13
Type
Objective
Previous · Q12What is the basicity of tetraoxosulphate (VI) acid? Next · Q14 Which of the following ions is a pollutant in drinking water even in trace…

More from this paper

  • Q9The following substances are non-electrolytes except
  • Q10The hydrolysis of NH 4 CI salt will give
  • Q11The pollutants that are likely to be present in an industrial environment are
  • Q15Which of the following is an example of a double salt
  • Q160.16g of methane when burnt increases the temperature of 100g of water by 40°C…
  • Q17A charged car battery has energy that can be converted into another energy…
See all Chemistry 2013/2014 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