A sample of a gas may be identified as chlorine if it turns

Chemistry

WAEC 2012

A. damp blue litmus paper red
B. lime water miky
C. lead ethanoate paper black
D. starch iodide paper blue-black

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Correct Answer: Option D

Explanation

A test for chlorine is to place damp starch-iodide paper into a test tube of chlorine. A positive result for chlorine is indicated by the paper turning from white to blue-black.

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A sample of a gas may be identified as chlorine if it turns

Correct Answer: Option D

Explanation

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