Salt A commonly used in bakery products on heating gets converted into another salt B

Question

Salt A commonly used in bakery products on heating gets converted into another salt B

Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal of hardness of water and a gas C is evolved. The gas C when passed through lime water, turns it milky. Identify A, B and C.

Monjur Alahi

4 views

2025-01-04 04:42

2 Answers

Salim Ahmed Kawsar

Baking powder (NaHCO₃), salt A is commonly used in bakery products.
On heating it forms sodium carbonate (Na₂CO₃), B and CO₂ gas, C is evolved.
When CO₂ gas is passed through lime water it forms calcium carbonate (CaCO₃), which is slightly soluble in water making it milky.

A — NaHCO₃

B — Na₂CO₃

C — CO₂ gas

4 views Answered 2023-02-05 15:29

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Baking powder (NaHCO₃), salt A is commonly used in bakery products. On heating, it forms sodium carbonate (Na2CO₃), B and CO₂ gas, C is evolved. When CO₂ gas is passed through lime water it forms calcium carbonate (CaCO₃), which is slightly soluble in water making it milky.
A---NaHCO₃; B---Na2CO₃; C---CO₂ gas