Which one of the following is likely to be a pure substance?

1.	Which one of the following is likely to be a pure substance?
A.	A colour less liquid having boiling point \[60{}^\circ C\] to \[70{}^\circ C\]
B.	A green solid having melting point \[80{}^\circ C\] to \[110{}^\circ C\]
C.	Chromatograph of a white solid which gives only one spot
D.	A brown liquid soluble in water.
E.	None of these
Answer» D. A brown liquid soluble in water.

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Which one of the following is likely to be a pure substance?

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