Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Chemistry
  6. /
  7. 2012/2013
  8. /
  9. Q24
Question 24

Which of the following salt is used in the preparation of caustic soda, washing soda, hydrochloric acid, bleaching powder etc?

  • A.NaNO3
  • B.Na2O
  • C.NaSO4
  • D.NaCl
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2012/2013
Question no.
#24
Type
Objective
Previous · Q23Cu (s) + HNO 3(l) → Cu(NO 3 ) 2(l) + H 2 O (l) + 2NO 2(g) . In the above… Next · Q25 Ammonia is used as a commercial refrigerant because:

More from this paper

  • Q20What is the oxidation number of chromium in Potassium Chromate (K 2 CrO 4 )
  • Q21The solubility of solids increases with an increase in the temperature of…
  • Q22In the contact process for the manufacture of sulphuric acid, sulphur trioxide…
  • Q26If a salt is dissolved in water and the resulting solutions feels cold to the…
  • Q27Which of the following statements is correct about Osmotic Pressure?
  • Q28The heat change associated with a given chemical change is always constant and…
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