When kept in the open air, the crystals of washing soda lose nine molecules of water to form a monohydrate.

$N a_{2} C O_{3} . 10 H_{2} O e x p o s e d - --- \to t o a i r N a_{2} C O_{3} . H_{2} O + 9 H_{2} O$

This process is called:

efflorescence

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deliquescence

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dehydration

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hydration

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Solution

The correct option is A efflorescence
The process of losing water of crystallization from hydrated salt when exposed to air is called efflorescence.
Hydration means the addition of water, and dehydration means the removal of water.
Deliquescence means tending to become a liquid.

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Similar questions

Q. When crystals of washing soda are left open in air, they lose:

When washing soda remove in open air the only nine molecules of water get evoporate rather ten.

What happens when crystals of washing soda are left open in dry air ? What is this change named as ? Name two industries based on use of washing soda.

The number of molecules of water of crystallization present in washing soda are:

Q. What happens when crystals of washing soda are left open in dry air?what is this change named as?

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When kept in the open air, the crystals of washing soda lose nine molecules of water to form a monohydrate.Na2CO3.10H2Oexposed−−−−→toairNa2CO3.H2O+9H2OThis process is called:

The correct option is A efflorescenceThe process of losing water of crystallization from hydrated salt when exposed to air is called efflorescence. Hydration means the addition of water, and dehydration means the removal of water.Deliquescence means tending to become a liquid.

When kept in the open air, the crystals of washing soda lose nine molecules of water to form a monohydrate.

$N a_{2} C O_{3} . 10 H_{2} O e x p o s e d - --- \to t o a i r N a_{2} C O_{3} . H_{2} O + 9 H_{2} O$

This process is called:

The correct option is A efflorescence
The process of losing water of crystallization from hydrated salt when exposed to air is called efflorescence.
Hydration means the addition of water, and dehydration means the removal of water.
Deliquescence means tending to become a liquid.