Which of the following is not a disinfectant containing a heavy metal?
A.Silver nitrate
B. Mercurochrome
C. Copper sulfate
D. Chlorine
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D is the correct answer.
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Chlorine is not a disinfectant containing a heavy metal.
The correct option id D. Chlorine is a gas.
It is a chemical element with symbol Cl and its atomic number is 17.
Cl is the second-lightest among these halogens.
Chlorine appears between F and Br in periodic table.
The properties of chlorine are intermediate between F and Br.
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