Course Code
chm314
Question
Which of the following constitute the permanent gases of the atmosphere?
Answer
oxygen and nitrogen
Question
The average weather condition in a region over a long period of time is kwown as ____________.
Answer
climate.
Question
The layer of mixture of gases that extends up to 700 kilometres above the Earth’s surface is known as ____________.
Answer
atmosphere
Question
Which of the folowing is not part of the basic processes of Nitrogen Cycle?
Answer
precipitation
Question
Movement of water in its physical states through and around the planet is accomplished by the ___________.
Answer
water cycle.
Question
Nitrogen is not readily available for cellular utilisation. This is because the strong triple covalent bonds between the nitrogen atoms in nitrogen molecules make it relatively __________.
Answer
inert
Question
Processses that remove carbon dioxide from the atmosphere include ____________.
Answer
photosynthesis
Question
When \(CO_{2}\) dissolves in water, a hydrated \(CO_{2}\) molecule is produced which then forms an equilibrium mixture containing ___________.
Answer
bicarbonate and carbonate ions
Question
In limestone, chalk and coral, carbon exist as __________.
Answer
calcium carbonate
Question
Which of the following is not a natural biogeochemical cycles?
Answer
hydrogen cycle
Question
Which of the following constitute the permanent gases of the atmosphere?
Answer
oxygen and nitrogen
Question
The average weather condition in a region over a long period of time is kwown as ____________.
Answer
climate.
Question
The layer of mixture of gases that extends up to 700 kilometres above the Earth’s surface is known as ____________.
Answer
atmosphere
Question
Which of the folowing is not part of the basic processes of Nitrogen Cycle?
Answer
precipitation
Question
Movement of water in its physical states through and around the planet is accomplished by the ___________.
Answer
water cycle.
Question
Nitrogen is not readily available for cellular utilisation. This is because the strong triple covalent bonds between the nitrogen atoms in nitrogen molecules make it relatively __________.
Answer
inert
Question
Processses that remove carbon dioxide from the atmosphere include ____________.
Answer
photosynthesis
Question
When \(CO_{2}\) dissolves in water, a hydrated \(CO_{2}\) molecule is produced which then forms an equilibrium mixture containing ___________.
Answer
bicarbonate and carbonate ions
Question
In limestone, chalk and coral, carbon exist as __________.
Answer
calcium carbonate
Question
Which of the following is not a natural biogeochemical cycles?
Answer
hydrogen cycle
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