Silica in amorphous forms used in

Both quartz and glass are made up of silica (SiO_(2)) . However, quartz exists in crystalline form, whereas glass in amorphous form. Why is this difference?

Which pair of products are formed when amorphous boron is burned in air?

Which pair of products are formed when amorphous boron is burned in air?

Amorphous form of silica is

Which is the amorphous form of silica

Which of the following is amorphous form of silica

Which of the following is amorphous form of silica

Name three important amorphous forms of silica.

Name three important amorphous forms of silica.