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Romashka [77]
3 years ago
14

What is. . .

Biology
1 answer:
Airida [17]3 years ago
7 0

the answer is chemical reaction

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In a lab about the activity series, a solution of copper(II)chloride is placed in a test tube with zinc metal. If zinc is higher
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Answer:

Option D, Zinc is higher on the activity series because there is clear evidence of a reaction.

Explanation:

It is very clear that a metal which is higher in activity will replace a metal having lower activity.  

Since, Zinc has higher activity than copper, it is very sure that it in a copper chloride solution it will replace copper and produce zinc chloride solution leaving behind copper as residue.  

Residues of copper is a clear evidence of reaction  

The chemical equation for this reaction would be -

CuCl_2 + 2Zn^+ -----> 2ZnCl + Cu^{2+}

Hence, option D is correct

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Which one of the following represents the correct order through which food passes in the alimentarycanal:
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Lionel's brother cuts his finger on a saw blade. the cut is deep and bleeding badly. what is the first thing lionel should do? w
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B cover the cut with a clean dressing and apply pressure.

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Why can only certain parts of DNA be used as DNA fingerprints? A. The parts must code for the insulin protein. B. The parts must
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C The parts must be unique to the person
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Can someone plz explain to me in a paragraph how can pythons affect the everglades.
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