Author Question: Silicates are compounds composed of A) silicon only. B) silicon and metals. C) silicon, oxygen ... (Read 137 times)

Bernana · **on:** Aug 27, 2018

Silicates are compounds composed of

A) silicon only.
B) silicon and metals.
C) silicon, oxygen and metals.
D) silicon, sulfur and metals.

Question 2

Which of the following technological advances was NOT made possible by access to high temperatures?

A) manufacture of glass
B) extraction of metals from ores
C) manufacture of ceramic bricks and pots
D) All of the above were made possible by access to high temperatures.