Name any substance which can float on water but get sink into oil

1.	Name any substance which can float on water but get sink into oil
Answer» Isha u r wrong<br>Yah, sayad becoz Maine Kabhi try nhi kiya?<br>Am I right ??? Aman?<br>Also, Ice float on water and it will sink in oil<br>Yaa...<br>I think the oil it self.

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