Question

1) Properties of Na2CO3 .

2) Uses of Na2CO3 .



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Answer 1

Answer:

Uses:

a) It is also used in the manufacture of glass, paper, soaps and detergents.

b) It is used as an disinfectant in swimming pools.

c) Its is also used in refining Aluminium.

Properties:

a) It is soluble in water.

b) It is a white colour crystalline solid.

c) It is basic in nature.

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Answer 2

Answer:

Ⓟⓡⓞⓟⓔⓡⓣⓘⓔⓢ

Ⓞⓕ Ⓝⓐ➁ⒸⓄ➂ :-

❤️Na2CO3 is a white crystalline solid which exists as decahydrate ( Na2CO3 ) .This is called Washing Soda .

❤️It is readily soluble in water .

❤️On heating it loses of water of crystalline to form monohydrate .

Na2CO3.10H2O ===>Na2CO3.H2O+9H2O

•Above 373K , the monohydrate becomes completely an hydrous and changes to white powder called soda ash

Na2CO3.H2O ===> Na2CO3 . H2O

Ⓤⓢⓔⓢ

Ⓞⓕ Ⓝⓐ➁ⒸⓄ➂ :-

❤️It is used in water softening , cleaning and laundries .

❤️It is used in the manufacture of glass soap and caustic soda .

❤️It is used in paper , paints and textile industries .

❤️It is an important laborator or reagent both inqualitative and qualitative analysis .

oOoRUDEDOLLoOo