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A chemist can _the oxygen from hydrogen in water.
发布时间:
2024-05-12 06:39:27
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相关试题
1.
A chemist can _the oxygen from hydrogen in water. 选项: A:draw B:isolate C:associate D:split
2.
A Chemist can _the oxygen from hydrogen in water.A.drawB.isolateC.associateD.split
3.
A chemist can _the oxygen from hydrogen in water.A.drawB.isolateC.associateD.split
4.
A chemist can analyze water into two ____________gases, hydrogen and oxygen 选项: A:colorful ; B:colorless ; C:colored ; D:color
5.
Achemist can _the oxygen from hydrogen in water
6.
Some prokaryotes can live entirely on inorganic substances: they can get their carbon from _______ in the atmosphere, their nitrogen from atmospheric N2, and their oxygen, hydrogen, sulfur, and phosphorus from air, water, and inorganic minerals
7.
Manufacturers of hydrogen generators have developed methods to use lower amounts of electricity to split water into hydrogen. Different electrolytes or catalysts are used in _______ the bonds between hydrogen and oxygen atoms that make up water.选项: A:separating B:loosening C:strengthening D:splitting
8.
Manufacturers of hydrogen generators have developed methods to use lower amounts of electricity to split water into hydrogen. Different electrolytes or catalysts are used in _______ the bonds between hydrogen and oxygen atoms that make up water.选项: A:strengthening B:separating C:loosening D:splitting
9.
The children have already learnt from chemistry化学that water___________________ (make) up of hydrogen 氢 and oxygen氧.
10.
In the Big Bang, which two elements were formed? 选项: A:Hydrogen and oxygen; B:carbon and oxygen; C:Nitrogen and hydrogen; D:Hydrogen and helium
11.
. An oxygen indicator can be used to determine if there is (). 选项: A:Sufficient oxygen in a compartment to support life. B:Combustible gases present. C:Hydrogen gas present. D:All of the above.
12.
【单选题】Water __________ oxygen ( 氧) and hydrogen (氢).
13.
【单选题】Water __________ oxygen ( 氧) and hydrogen (氢).
14.
______ has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than ______.选项: A:Oxygen, fossil fuels B:Hydrogen, oil C:Oxygen, gasoline D:Hydrogen, gasoline
15.
______ has the highest energy content of all known conventional fuels (by weight). It has almost 3 times more energy content by mass than ______.选项: A:Hydrogen, gasoline B:Hydrogen, oil C:Oxygen, fossil fuels D:Oxygen, gasoline
16.
The major greenhouse gas is ________. 选项: A: Oxygen B: Carbon monoxide C: Carbon dioxide D: Hydrogen
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