PLANT PHYSIOLOGY
PHOTOSYNTHESIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the chemical formula for oxygen?
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H12O2
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C6O2
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O3
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O2
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Explanation:
Detailed explanation-1: -Two oxygen atoms strongly bind together with a covalent double bond to form dioxygen or O2. Oxygen is normally found as a molecule. It is called dioxygen.
Detailed explanation-2: -O is oxygen atom. O2 is dioxygen molecule.
Detailed explanation-3: -Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). Oxygen forms a chemical compound (O2) of two atoms which is a colorless gas at normal temperatures and pressures.
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