DEFINE & Calcification of SALT? | THE PROPERTIES & USES OF SALT IN WET PROCESSING OF TEXTILE?

SALT:
When Hydrogen atom of acid is fully or partly replaced by the metal or metal like reactive radical, then the compound which is found is known as salt.
Example: NaCl, KNO3, CaCl2 etc.

Classification of SALT:

DEFINE ALKALI? | THE PROPERTIES & USES OF ALKALI IN WET PROCESSING OF TEXTILE?

ALKALI:

The compounds which contain oxide (O2-) or hydroxide ion, react with acids & produce salt & water are known as alkali. Alkalis are ionized in water & produce hydroxyl ion (OH -). Example: NaOH, KOH etc.

Properties:

1. Alkalis are too much soluble in water.
2. It is ionized in water & produce hydroxyl ion (OH -). NaOH = Na+ + OH -
3. It changes the color of litmus from red to blue. Red litmas + H+ = blue litmas.
4. It reacts with acid & produce salt & water. HCl + NaOH = NaCl + H2O.
5. The alkaline soln of alkali damage organic substances or life cells.

DEFINE & Calcification of ACID? | THE PROPERTIES &USES OF ACID IN WET PROCESSING OF TEXTILE?

DEFINE ACID?

The compound containing hydrogen atom which are replaced by metal or metal likeactivated radical & produce salt & water is called acid.

On the other hand, we can say, the hydrogen containing compound which are ionized in water & produce hydrogen ion as a positive ion is known as acid.
Example: H2SO4, HCl, HNO3 etc.

Calcification of ACID?

A)       On the basis of constitution:
i)         HYDRO ACID: The acids which contain Hydrogen atom are called hydro acid. Example: HCl, HCN etc.
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