Class 10 Chemistry Acids Bases Salts Baking soda

Baking soda

  • Chlorine produced on passing electricity through brine solution undergoes reaction with ammonia produces baking soda.
  • The chemical name of baking soda is sodium hydrogencarbonate (NaHCO3).
  • It is a mild non-corrosive basic salt.
  • The following reaction takes place.

  • On heating the reaction that takes place is as follows:

  • It is used for following purposes:
  • Baking soda (sodium hydrogencarbonate) undergoes reaction with mild edible acid such as tartaric acid to manufacture baking powder. This baking powder on heating undergoes following reaction.

  • This carbon-dioxide produced makes bread or cake rise thereby making them soft and spongy.
  • Being alkaline it is also an active ingredient in antacids that acts by neutralising the excess acid produced in the stomach.
  • It is also used in soda-acid fire extinguishers.

Fig. Baking Soda

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