Formalin is (a) 10% solution of formaldehyde in water (b) 20% solution of formaldehyde in water (c) 40% solution of formaldehyde in water (d) 80% solution of formaldehyde in water

Formalin is
(a) 10% solution of formaldehyde in water
(b) 20% solution of formaldehyde in water
(c) 40% solution of formaldehyde in water
(d) 80% solution of formaldehyde in water
by

1 Answer

Answer :

40% solution of formaldehyde in water
by

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