For preparation of soda water, which of the following gases is generally used?

Options :
  1. Ammonia
  2. Carbon dioxide
  3. Hydrogen
  4. Nitric oxide
Answer and Explanation :-

Answer: Option 2

Explanation:

Soda water is a type of man-made carbonated water that is popular as a beverage. The most basic soda waters are little more than tap water infused with carbon dioxide gas and bicarbonate of soda, a stabilizing element that gives the drink its name. Some manufacturers add flavors or other minerals to improve the taste, but it is most often served plain or as a mixer.

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