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Chemicals/Oxidanes/Quiz

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Although the image contains a layer of cumulus clouds, at the horizon, the Atlantic Ocean meets the edge of the sky. Location :Salvador, Bahia, Brazil, July 4, 2008. Credit: Tiago Fioreze.

Oxidanes is an effort, in a lecture format, to describe a specific chemical of the elements hydrogen and oxygen: water.

You are free to take this quiz based on the lecture oxidanes at any time.

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Quiz

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1 Yes or No, The most common oxidane on the surface of the Earth is the liquid known as water.

Yes
No

2 Water occurs in the atmosphere as water vapor, and as a solid usually referred to as

.

3 Yes or No, Isotopic exchange between ice and water is found to take place in temperate glaciers.

Yes
No

4 True or False, The difference between geochemical reactions and astrochemical reactions is that astrochemical reactions are restricted to Earth.

False
True

5 Complete the text:

Oxygen-isotope analyses of ice and

from the Saskatchewan Glacier,

, and the Malaspina Glacier, Alaska, show that

in ratios are likely to be of considerable value in glaciological research.

6 Yes or No, A clear liquid having the chemical formula H2O is called water.

Yes
No

7 True or False, Generally, geologic materials are isotopically lighter than natural water samples because of the preferential retention of 6Li in the solid phase.

TRUE
FALSE

8 Complete the text:

The discoveries of water ice on the

, Mars and Europa add an

component to the field, as in "astroglaciology".

9 Yes or No, Icequakes are seismic tremblings caused by sudden movement within a glacier or ice sheet, such as from a fracturing crevasse.

Yes
No

10 True or False, Anyone who has dropped an ice cube into a glass of water knows ice snaps under stress.

TRUE
FALSE

11 Yes or No, Known icequake triggers include opening and closing of the fractures called crevasses; glaciers tearing away from sticky bedrock; water runoff; and calving, the breaking off of an iceberg.

Yes
No


Hypotheses

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Main resource: Hypotheses
  1. There is at least one chemical unique to Earth.

See also

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{{Chemistry resources}}

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