Caffeine present in the coffee is a/an

Sedative

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Antidepressant

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Stimulant

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Psychadelic

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Solution

The correct option is D Stimulant
Caffeine is a central nervous system stimulant of the methylxanthine class of psychoactive drugs. It is a bitter, white crystalline purine, a methylxanthine alkaloid, and thus closely related chemically to the adenine and guanine contained in DNA and RNA.
So, the correct answer is option C.

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Q. What is empirical formula of the following-
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(C_{8} H_{10} N_{4} O_{2})

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6.44 \times 10^{- x}

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