Why alkalis like sodium hydroxide and potassium hydroxide should not be left exposed to air
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because they are strong base and they show certain changes when ecpoded to air
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⏺heya friend!
✔here's your answer :-
⚫alkalis such as sodium hydroxide and potassium hydroxide are hygroscopic in nature.
⚫they readily and immediately absorb carbon dioxide from the exposed air.
⚫and forms sodium carbonate and potassium carbonate respectively.
⚫hence, they should not be kept exposed to air.
➡HYGROSCOPIC SUBSTANCES:- Hygroscopic substances absorb moisture from atmosphere but they do not dissolve ie dont convert into solution or liquid form.
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i hope it helps u !!!☺
✔here's your answer :-
⚫alkalis such as sodium hydroxide and potassium hydroxide are hygroscopic in nature.
⚫they readily and immediately absorb carbon dioxide from the exposed air.
⚫and forms sodium carbonate and potassium carbonate respectively.
⚫hence, they should not be kept exposed to air.
➡HYGROSCOPIC SUBSTANCES:- Hygroscopic substances absorb moisture from atmosphere but they do not dissolve ie dont convert into solution or liquid form.
◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆◆
i hope it helps u !!!☺
Very correct
Thnq :)
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