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When the metals are burnt in air they usually measure more because of the metal oxides formed.

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Wiki User

10y ago
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AnswerBot

1w ago

The thing in question is a sponge. When dry, it weighs 2 kg, but when soaked with water, it becomes 1 kg heavier. After it is burned, the remaining ashes weigh 3 kg.

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Q: Which thing that dry measure 2 kg wet 1 kg and after burn 3 kg-?
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