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Q110 (IAS/2000) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Applied everyday chemistry Answer Verified

Soft drinks such as colas contain significant quantities of

Result
Your answer: —  ·  Correct: A
Explanation

Cola-type soft drinks commonly contain caffeine as a deliberate ingredient and flavoring agent. Industry and research sources note that caffeine is added to cola formulations and is identified as one of the specific cola ingredients responsible for physiological effects and flavor characterization [2]. While other options listed (nicotine, tannin, renin) are not typical constituents of commercial colas, caffeine is routinely present in measurable amounts in cola beverages and related soft drinks, and is often discussed separately from acids (e.g., phosphoric acid) and sweeteners when assessing cola composition and health effects [2]. Therefore “caffeine” is the correct choice.

Sources

  1. [1] https://www.researchgate.net/publication/12392193_Is_Caffeine_a_Flavoring_Agent_in_Cola_Soft_Drinks
  2. [2] https://www.sciencedirect.com/science/article/pii/S0002916523234140
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