MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenIntroduction to Hydrogen
Which of the elements is present in plant, animal tissues, carbohydrates, proteins, hydrides including hydrocarbons and many other compounds?
A.Sodium
B.Chlorine
C.Zinc
D.Hydrogen✓ Correct
Explanation
In the combined form besides in water, hydrogen occurs in plant and animal tissues as carbohydrates, proteins, hydrides including hydrocarbons and many other compounds.
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