Question

In what way hygroscopic substances differ
from deliquescent substances.​

Answer 1

Answer:

The water soluble substance which absorb moisture from the air and then dissolve on the absorbed moisture to change into liquid taste are called deliquescent substances whereas the substances which absorb moisture from air but do not change their state are called hygroscopic substances.

Explanation:

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Answer 2

Answer:

Hygroscopic substance have the tendency to add water molecules to their compound in surface phenomenon but deliquescent substance form solution with calcium hydroxide and aluminium hydroxide,etc..