Waec 2021 Chemistry Question 3

Practice practical question 3 from the 2021 Waec Chemistry examination. This question covers General .

Waec 2021 Chemistry Practical
Topic: General
Question 3 WAEC • 2021 • CHEMISTRY • practical

Question Parts

( a )
(i) What are acid-base indicators? (ii) Name a suitable indicator for titrating a weak acid against a strong base. (iii) Give a reason for your answer in 3(a)(ii).
( b )
Give a reason for each of the following laboratory practices: (i) the first jar of hydrogen gas collected during its preparation is discarded; (ii) why the conical flask is not rinsed with the solution to be put in it during titration.

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About This Question

This is Waec 2021 Chemistry Question 3. It is one of the practical questions from the 2021 Waec Chemistry examination.

The question covers General .

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