which product obtain when formaldehyde reacts with sodium bisulphate
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Sodium bisulfite can be prepared by bubbling excess sulfur dioxide through a solution of suitable base, such as sodium hydroxide or sodium bicarbonate.
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The safest and most practical commercial method for the neutralization of formaldehyde is by exposure of formaldehyde to sulfite ion, usually by adding sodium sulfite, sodium bisulfite, or a mixture thereof to the aqueous solution containing formaldehyde.
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