in a science experiment, javi concludes that a chemical reaction has occurred. what evidence would support…

in a science experiment, javi concludes that a chemical reaction has occurred. what evidence would support this conclusion?\na a substance melted\nb a substance’s color and odor changed\nc a substance’s mass and texture changed\nd new atoms were created

in a science experiment, javi concludes that a chemical reaction has occurred. what evidence would support this conclusion?\na a substance melted\nb a substance’s color and odor changed\nc a substance’s mass and texture changed\nd new atoms were created

Answer

Brief Explanations:

Un cambio en el color y el olor de una sustancia suele ser una señal de que una reacción química ha ocurrido. La fusión es un cambio físico, el cambio en masa y textura no es exclusivo de reacciones químicas y en una reacción química no se crean nuevos átomos, solo se reorganizan.

Answer:

B. a substance’s color and odor changed