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Excretion

Name the chem...

Question

Name the chemical used in the experiment which absorbs oxygen.

A

Pyrogallic acid

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B

Sulphuric acid

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C

Acetic acid

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D

Calcium carbonate

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Solution

The correct option is A
Pyrogallic acid

Pyrogallic acid is the chemical which absorbs oxygen. This chemical is used to absorb the oxygen present in the conical flask in which seeds were kept for germination. In the absence of oxygen, the seeds fail to germinate.

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