Making Silicon Looking into Compounds and Making Silica
Interactive Video
•
Chemistry, Science, Physics
•
10th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video tutorial discusses silicon dioxide, focusing on its polymorphic nature, which allows it to exist in both crystalline and amorphous forms. Quartz is highlighted as a crystalline form, while minerals like Jasper and Onyx are amorphous. Keselgar, another amorphous form, is derived from diatoms. The preparation of silicon dioxide through the oxidation of silicon and heating of orthosilicic acid is also explained.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
How is silicon dioxide (SiO2) prepared from silicon?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the conditions required to obtain pure silica from orthosilicic acid?
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