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kerosene is an homogeneous mixture of hydrocarbons.

Ammonia and krypton are not mixtures, the first one is a pure compound, the second one is a pure element.

2007-01-30 07:13:02 · answer #1 · answered by scientific_boy3434 5 · 1 0

Im not sure about the first two. But Kypton is both.

2007-01-30 07:04:59 · answer #2 · answered by Hellbilly 1 · 0 1

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