2, 4 - DNP test can be used to identify

ether

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amine

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aldehyde

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halogens

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Solution

The correct option is C aldehyde
2,4-Dinitrophenylhydrazine test is used to identify aldehyde and ketone. A positive test is signalled by the formation of a yellow, orange or red precipitate of the dinitrophenylhydrazone.

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Identify the name of the device that can be used to test whether an object is carrying a charge or not.

(50 \frac{1}{4} \times 49 \frac{3}{4})

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