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Identificar cambios químicos

(90)
• Describe algunas manifestaciones de cambios químicos sencillos
(efervescencia, emisión de luz o calor, precipitación, cambio de color).
• Identifica las propiedades de los reactivos y los productos en una
reacción química.
• Identifica que en una reacción química se absorbe o se desprende
energía en forma de calor.
Recommended age: 14 years old
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