Consider the following statements:
1. Caffeine, a constituent of tea and coffee is a diuretic.
2. Citric acid is used in soft drinks. 3. Ascorbic acid is essential for formation of bones and teeth.
4. Citric acid is a good substitution ascorbic acid in our nutrition.
Which of the statements given above are correct?
(a) 1 and 2 only (b) 1,2 and 3 only (c) 3 and 4 only (d) 1, 2, 3 and 4
(b) Caffeine also spelled caffei is most commonly consumed by humans in infusions extracted from the bean of the coffee plant and the leaves of the tea bush, as well as from various foods and drinks containing products derived from the kola nut. Acids are added to soft drinks for extra bite and mouth feel. The primary acid used in colas is phosphoric acid, while the one used in citrus flavoured drinks is usually citric acid. Citric acid is a good substitution of ascorbic acid as per nutritional value.