Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. NDA
  4. /
  5. Chemistry
  6. /
  7. 2011/2012
  8. /
  9. Q32
Question 32

The number of Hydrogen ions in 4.9g of tetraoxosulphate (V) acid is
[S = 32, O = 16, H = 1, NA = 6.02 x 1023]

  • A.3.01 x 1022
  • B.6.02 x 1022
  • C.3.01 x 1023
  • D.6.02 x 1023
Objective

Question details

Exam body
NDA
Subject
Chemistry
Year
2011/2012
Question no.
#32
Type
Objective
Previous · Q31Which of the following is an example of a chemical change? Next · Q33 What volume of oxygen will remain after reacting 8cm 3 of hydrogen with 20cm 3…

More from this paper

  • Q28Four elements P, Q, R and S have atomic numbers of 4, 10, 12 and 14…
  • Q29If ZnO dissolves in sodium hydroxide and mineral acid solutions to give soluble…
  • Q30Chromatography is used to separate components of mixtures which differ in their…
  • Q34A gas sample with an initial volume of 3.25dm 3 is heated and allowed to expand…
  • Q35Two cylinders A and B each contain 30cm 3 of oxygen and nitrogen respectively at…
  • Q36A liquid begins to boil when______
See all Chemistry 2011/2012 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