A gas that turns a filter paper previously soaked in lead ethanoate solution black is?...
CHEMISTRY
JAMB 1998
A gas that turns a filter paper previously soaked in lead ethanoate solution black is?
- A. hyrogen chloride
- B. hydrogen sulphide
- C. sulphur (IV) oxide
- D. sulphur (VI) oxide
Correct Answer: B. hydrogen sulphide
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