This is to inform you all that the NECO Chemistry (Practical) Questions and answers 2024 is now available
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2024 NECO PRACTICAL CHEMISTRY QUESTIONS:
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NECO 2024 CHEMISTRY (PRACTICAL) QUESTIONS AND ANSWERS
NUMBER 1
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NUMBER 2
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NUMBER 3
(3ai)
I- to avoid the drop of the acid into the burette which will alter the reading
II- to avoid change in concentration and contamination
III- to avoid bubbles in the pipette
(3aii)
This can be done through crystallization. The solution is dissolved, heated to a high temperature and then allowed to cool. During cooling,the sodium chloride crystallized out.
(3bi)
(i)evaporating dish
(ii)Bunsen burner
(3bii)
Solubility
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NUMBER 4
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