Chemistry Past Questions

Exam Type:

Exam year:

Question Type:

Topics:

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

JAMB CBT 2024 - Candidates, Schools, Centres, Resellers - Get Ready!

JAMB CBT Mobile App 2024 - Free Download

Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208

WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709

3826

Vinegar is an aqueous solution of?

A. Hydrochloric acid
B. ethanedioc acid
C. ethanoic acid
D. hydrofluoric acid

View Answer & Discuss WAEC 2019

3827

which of the following solutions containing one mole per dm\(^3\) of the compound would have the lowest PH?

A. ethanoic acid
B. hydrochloric acid
C. sodium chloride
D. sodium hydrogentrioxocarbonate(iv)

View Answer & Discuss WAEC 2019

3828

A sample of air was bubbled into water. The PH of the water slowly changed from 7 to 6. Which of the following gases in the samples caused the change?

A. carbon(iv)oxide
B. carbon(ii)oxide
C. nitrogen
D. oxygen

View Answer & Discuss WAEC 2019

3829

The most suitable indicator for the reaction between NaOH and HCOOH is?

A. bromocresol
B. methyl orange
C. methyl red
D. phenolphthalein

View Answer & Discuss (2) WAEC 2019

3830

consider the following reaction equation: 2Al(OH)\(_3\) + 3H\(_2\)SO\(_4\) →Al\(_2\)(SO4)\(_3\)(aq)+6H\(_2\)O. How many moles of tetraoxosulphate(vi)acid is needed to produce 0.5mol of aluminium tetraoxosulphate(vi)?

A. 0.5
B. 1.0
C. 1.5
D. 3.0

View Answer & Discuss (3) WAEC 2019

Start a Free Practice Test

Chemistry Past Questions

Subjects

Sign In