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Mini-Quiz: Oxygen

by Ron Kurtus (3 December 2007)

Take this Mini-Quiz to check your understanding of the lesson material.



1. What is the reaction of combining sulfur and oxygen called?

Oxidation

Sulfurizing

Sulfur dioxidizing

2. What is the chemical formula for common sand?

SiC2 (silicon carbonide)

CO2 (carbon dioxide)

SiO2 (silicon dioxide)

3. Can electrolysis of water create oxygen in the laboratory?

No, because it is extremely dangerous and requires commercial-grade power supplies

Yes, it is a common experiment that students can perform

It is uncertain, because no one has ever tried it

If you got all three correct, you are on your way to becoming a Champion in Chemistry. If you had problems, you had better look over the material again.


Take a deep breath to relax yourself


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