1. How many atoms of C, H and O are respectively present in a molecule of glucose?

• In one molecule of glucose (C₆H₁₂O₆), there are 6 atoms of carbon, 12 atoms of hydrogen and 6 atoms of oxygen.

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2. Which types of chemical bonds are present between all these atoms?

• Covalent bonds

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3. In terms of Chemistry what happens actually when a molecule is oxidized?

Oxidation means:
1. Combining with oxygen or
2. Removal of hydrogen or
3. Losing electron(s)

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