2023 WAEC Alt Practical Chemistry Questions & Answers Now Available

2023 Waec Practical Chemistry Expo – May/June

Waec Chemistry Practicals Expo runs Available 2023 >

All 2023 WAEC candidates are hereby informed that our platform has given go ahead for 2023 WAEC per subject subscription for the 2023/2024 ongoing WAEC SSCE May/June External exam.

This is to say that Waec Chemistry practical Expo 2023 Runs Questions and Answers Subscription has commenced online so you can pay. Be part of your success by following the guidelines provided on this article.

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WAEC Alt Practical Chemistry Questions & Answers Last year 2022 Work




Phenolphthalein is used in titration of CH3COOH2 with NA0H2
Because the titration involves weak acid against Strong Base.(3aii)
When ZnCO3 is Heated Strongly it gives a yellow colour and when it left for few minutes to cool .
It give white colour

First you dissolved the two inside water, the glucose will be dissolved while the starch remain insoluble.

you will then carried out filtration process to obtain starch as to resedure while the glucose remains as crystalloids in the solution

To Obtain the glucose you carried out crystallisation and evaporation then follow by recrystallisation

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