Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. JAMB
  4. /
  5. Chemistry
  6. /
  7. 2021
  8. /
  9. Q0
Question 0

A 'breath test' used by traffic police to check drunken driving uses?

  • A.Tumeric on filter paper
  • B.Silica gel coated with saliva nitrate
  • C.Potassium permanganate-sulphuric acid
  • D.Potassium dichromatic-sulphuric acid
  • E.
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
2021
Question no.
#0
Type
Objective
Previous · Q0What is the chemical name for the compound CuCO\(_{3}\)? Next · Q0 Which one of the following is not a mixture?

More from this paper

  • Q0Give the common name for the following compound (CH\(_{3}\))\(_{2}\) CH…
  • Q0The enzyme that converts glucose to ethyl alcohol is?
  • Q0The scientist who stated that matter can be converted into energy is?
  • Q0What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)
  • Q0Which of the following is a non-metal that remains liquid at room temperature?
  • Q0Which of the following are chemical changes? I. cooking of food II. digestion of…
See all Chemistry 2021 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