WAEC 2023 CHEMISTRY ALT B PRACTICAL ANSWERS

CHEMISTRY PRACTICAL ALTERNATIVE B ANSWERS

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(1)

 

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(2a)
Observation: G dissolves completely in distilled water.
Conclusion: G is soluble in water.

(2b)
(i) Observation: The litmus paper remains unchanged.
Conclusion: The solution is neutral, indicating that G is neither acidic nor basic.
(ii) Observation: The solution turns cloudy.
Conclusion: G reacts with NaOH to form a precipitate.
(iii) Observation: No visible reaction occurs.
Conclusion: G does not react with dilute HNO3.
(iv) Observation: A white precipitate forms.
Conclusion: G reacts with BaCl2 to form a precipitate in the presence of excess dilute HNO3.

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(3)

 

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COMPLETED

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