Vitamin A is not a mixture.
Yes it is a mixture
It is a compound, so it is a pure substance.
yes
Medicines (pills) containing a mixture of vitamin substances.
Vitamin E is any of, or a mixture of, several different chemicals called tocopherols.
It is a compound, so it is a pure substance.
Hexane is used in the extraction of vitamin A because it is nonpolar and can selectively dissolve nonpolar compounds like carotenoids, which are precursors to vitamin A. This allows for the separation of vitamin A from other components in the mixture.
Even if the apple juice is labelled as '100% pure', it is still a mixture of water particles, sugar particles, flavour particles, and vitamin particles. So it is a mixture, not a pure substance.
It is a complex organic compound also known as carotene
Retinol is the name given to mixture of mostly vitamin A1 and vitamin A2. Sometimes this word is used as Vitamin A.
Ascorbic acid is an antioxidant and is a co-factor in eight different enzymatic reactions.
Folic acid is a compound, not an element. It is a form of vitamin B9 that is essential for cell growth and metabolism.