NECO 2024 CHEMISTRY PRACTICAL QUESTIONS AND ANSWERS
NECO 2024 Update
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2024 NECO CHEMISTRY PRACTICAL QUESTIONS AND ANSWERS:
2024 NECO CHEMISTRY PRACTICAL ANSWERS:
NUMBER 1
Solving/Typing…
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NUMBER 2
Solving/Typing…
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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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NECO 2024 PRACTICAL SPECIMEN CHEMISTRY QUESTIONS
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