Question

10. Baking soda is a mixture of :
(a) Sodium carbonate and acetic acid
(b) Sodium carbonate and tartaric acid
(c) Sodium hydrogen carbonate and tartaric acid
(d) Sodium hydrogen carbonate and acetic acid​

Answer 1

Baking soda is a mixture of : Sodium hydrogen carbonate and tartaric acid

Explanation:

• Baking powder is a mixture of starch, baking soda (sodium bicarbonate ) and a mild edible acid (e.g. tartaric acid).

                   $NaCHO_3 + H^+ \rightarrow CO_2 + H_2O + sodium salt of acid$

• Baking powder is used in baking of cakes, breads etc.
• The $CO_2$ produced during the reaction helps in making the cake or bread spongy.
• Sodium carbonate is alkaline and is thus as an ingredient in preparing antacids. It neutralizes the excess acidity in stomach.
• It is used in the fire extinguisher.

Learn more about the baking soda

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Answer 2

Baking soda is a mixture of sodium hydrogen carbonate and tartaric acid.

Option (C) is correct.

Explanation:

• Baking soda is a mixture of sodium hydrogen carbonate and tartaric acid.
• It is used to increase the volume of baked goods.
• it also gives spongy texture to the baking products such s cakes and bread.
• When it is added to the mixture an acid-base reaction takes place during which carbon dioxide is released which causes bubbles and expands the mixture.