Question

Name the compound which is obtained from baking soda is used to remove permanent hardness of water .write its chemical formulae .what will happen when it is recrystillised from its aqueous solution

Answer 1

➡️⬅️⬇️➡️⬅️⬇️➡️⬇️➡️⬅️⬅️➡️⬇️➡️⬇️➡️⬇️⬇️➡️➡️⬇️⬇️⬇️⬅️➡️⬇️⬅️➡️⬇️➡️⬇️➡️⬇️
washing soda is used to remove permanent hardness of water.

chem formulae--  Na2CO3.10H2O
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name-  sodium carbonate decahydrate.

remove permanent hardness of water

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