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Milk can be preserved by adding a few drops of

$(a)\;Formic\;acid\;solution\qquad(b)\;Formaldehyde\;solution\qquad(c)\;Acetic\;acid\;solution\qquad(d)\;Acetaldehyde\;solution$

1 Answer

Answer : Formaldehyde solution
Explanation :
Formaldehyde kills the micro - organisms which spoils the milk by producing lactic acid which coagulate the milk .
answered Mar 18, 2014 by yamini.v
 
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