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Standard XII
Chemistry
Introduction to Aldehydes and Ketones
Formalin is
Question
Formalin is _______ % solution of formaldehyde in water
A
10
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B
20
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C
40
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D
60
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Solution
The correct option is
C
40
Formalin is
40
% solution of formaldehyde in water.
Formalin means
40
% formaldehyde.
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