Chemistry, 05.03.2021 06:10 gipoletti1315

1-Escribe tres ejemplos de cambios químicos en los que se observe el desprendimiento de un gas sin aplicar calor. 2. Escribe tres ejemplos de cambios químicos en los que se observe la presencia de un precipitado.
3. Escribe tres ejemplos de cambios químicos en los que se observe la presencia de fuego o luz.

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1-Escribe tres ejemplos de cambios químicos en los que se observe el desprendimiento de un gas sin a...

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