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MariettaO [177]

3 years ago

15

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

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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