Question

_________ can be black, green, red, yellow or brown in colour
a) copper
b) silicon
c) mica
d) aluminum ​

Answer 1

Answer:

I think silicon is the answer

Answer 2

Answer:

Answer:

c) mica

Explanation:

Different mica minerals exhibit colors ranging from white to green or red to black, and micas are translucent to opaque with a distinctive vitreous or pearly gloss. Mica deposits frequently seem flaky or platy.

The main applications for sheet and block mica include electrical insulators for electronic equipment, thermal insulation, gauge "glass," windows for stove and kerosene heaters, dielectrics for capacitors, decorative panels for lamps and windows, insulation for electric motors and generator armatures, field coil insulation, and other applications.

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