WAEC 2026 CHEMISTRY PRACTICAL (ALT. B) ANSWER


(1)



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(2)


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(3a)
(i) To avoid parallax error and ensure an accurate reading of the liquid meniscus.

(ii) To prevent any remaining liquid in the funnel from flowing into the burette and altering the volume reading.

(iii) To remove water or impurities that may dilute the acid and affect the accuracy of the titration.

(3b)
(PICK ANY THREE)
(i) Volumetric flask
(ii) Beaker
(iii) Funnel
(iv) Measuring cylinder
(v) Pipette
(vi) Glass stirring rod