Juana12p Juana12p

10-10-2022
Chemistry

contestada

¿Qué es el cristal y de qué está hecho?

Ocultar opciones de respuesta

a)Está compuesto de arena de sílice, carbonato de socio y caliza, que se funden a unos 1.500° C.

b)Compuesto de cuarzo y que funde a 200°C.

c)Arena con minerales que funde a 300°C.

d)Silice que funde a 500°C

e)Arena de cuarzo y ferrita y funde 250°C

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