Which element is common to all organic compounds? MCQ with Answer and Explanation

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Which element is common to all organic compounds?

A. Oxygen

B. Nitrogen

C. Iron

D. Carbon

Answer: Option D

Solution (By JKSSB Mock Tests)

Organic chemistry is primarily defined as the chemistry of carbon compounds.

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What is the chemical symbol for Potassium?

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Correct Answer: Option B

Explanation:
The symbol for potassium is K, from the medieval Latin 'kalium'.

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What is 'Nanotechnology' concerned with?

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