The main active constituent of tea and coffee is
A. nicotine
B. chlorophyll
C. caffeine
D. aspirin
Answer: Option C
Solution(By Examveda Team)
Caffeine is the main active constituent of tea and coffee.Related Questions on Chemistry
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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