Question

Which of the following is added to hard water,to soften it?
1) calcium carbonate
2) sodium carbonate
3) sodium chloride
4) calcium sulphate ​

Answer 1

ʜᴏʟᴀ♥

Sodium carbonate is added to hard water to soften it .

ʜᴏᴘᴇ ᴛʜɪs ʜᴇʟᴘs◉‿◉

Answer 2

Answer:

2) Sodium Carbonate is the right answer..

Explanation:

The process of removing the dissolved magnesium and calcium salts causing hardness in water is called softening. For softening, chemicals such as sodium carbonate (Na2CO3), slaked lime (Ca(OH)2), etc can be used. Also, sodium chloride (NaCl) can be used to soften hard water.

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