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Chemical names of vitamins

This type of question, asked 3 times: 2021 Paper 13, 22 Jan 2025, 2 Apr 2026 S1. All 3 questions below, oldest first.

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  1. Question 1

    2021 Paper 13

    33
    Thiamine and pyridoxine are respectively:

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  2. Question 2

    22 Jan 2025

    32
    Which of the following acids is a vitamin?

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  3. Question 3

    2 Apr 2026 S1

    44
    Match List-I with List-II.
    List-I (Vitamin)List-II (Name)
    (A)Vitamin B1B_{1}(I)Pyridoxine
    (B)Vitamin B2B_{2}(II)Ascorbic acid
    (C)Vitamin B6B_{6}(III)Thiamine
    (D)Vitamin C(IV)Riboflavin
    Choose the correct answer from the options given below:

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