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The diagram shows a chromatogram of several inks.
Which statement is correct?

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Black ink can be made by mixing green, red and yellow inks.

Brown ink can be made by mixing blue and red inks.

Yellow ink can be used to make brown ink.

Yellow ink may be present in green ink.

answer is A.

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Detailed Solution

Diagram shows a chromatogram of several inks.

Based on the relative spot on the chromatogram it is clear that black ink is made of by mixing green, red and yellow ink.

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