Shobit takes cold drinks everyday. Cold drinks contain sugar and carbon dioxide which are dissolved in water along with preservative like sodium benzoate and carbonic acid. These dissolved substances present in cold drinks can cause tooth decay. It may also cause hyper acidity and weaken our bones. Shobit's teacher advised him to take nimbu pani (lemonade) and fresh fruit juice instead of cold drinks.
(i) Which acid is present in cold drinks?
(ii) What are the harmful effect of taking cold drinks?
(iii) What values are conveyed by the teacher when she suggested Shobit to take nimbu pani (lemonade) and fresh fruit juices instead of cold drinks?