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MariettaO [177]
3 years ago
15

Firewood burns and ashes remain is it a chemical or physical change?

Chemistry
2 answers:
dexar [7]3 years ago
7 0

Respuesta: físico

Explanation:El papel, la ceniza y el humo son sustancias diferentes. CLASES DE CAMBIOS QUÍMICOS: ... En la combustión la materia arde y se forman otras sustancias, como ceniza, vapor de agua y dióxido de carbono. Por ejemplo, se produce una combustión cuando arde la madera

erastova [34]3 years ago
4 0
It is a physical change because you can not put it back like it was
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max2010maxim [7]

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3937 inches

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explain observation made when anhydrous calcium chloride and anhydrous copper (ii) sulphate are separately exposed to the atmosp
Burka [1]

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