Question

find odd one out nahco3, nacl, bacl2h2o, caco3​

Answer 1

• the odd one is Bacl2. H20 because, it contains water of crystallistion and is a hydrated salt

• HYDRATED SALT - the salt which water of crystallistion is known as hydrated salt.

• but, other salts such as
• NaHCo3, NaCL and CaCo3 doesn't contains any water of crystallistion.

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