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CHEMISTRY OF THE ELEMENTS: Nitrogen
Chemistry Of The Elements: Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Acidic And Alkaline Solutions
MATTER - PROPERTIES AND TRANSFORMATION: Atomic Structure And The Periodic Table
MATTER - PROPERTIES AND TRANSFORMATION: Atoms
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Carbon
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Hydrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Oxygen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Phosphorus
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - The Halogens
MATTER - PROPERTIES AND TRANSFORMATION: Structure And Bonding
5/72 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Oxygen
By what method is oxygen is prepared in the industry?
Steam distillation of liquid air.
Fractional crystallization of liquid air.
Fractional distillation of liquid air.
Simple distillation of liquid air.
Which method of collection for oxygen gas takes advantage of its low solubility in water?
Downward displacement of water.
Collection by syringe.
Upward displacement of air.
Downward displacement of air.
Oxygen occurs:
Both in the combined and the uncombined states.
Only in the combined states.
Only in the uncombined states.
In compounds.
What color is oxygen gas?
Reddish-brown.
Green.
Blue.
Colorless.
The reaction of hydrogen with oxygen to form water is often used in fuel cells. What is the main advantage of this reaction as an energy source?
It is a very slow reaction.
It produces a lot of light.
It produces only water as a byproduct.
It is an endothermic reaction.
