ChemistryIdentify correct statement from the following

Identify correct statement from the following

A
Starch is a lyophilic solution
B
Milk is w/o emulsion
C
Rusting of iron is an instantaneous reaction
D
Order of reaction is always a whole number

Solution:

Starch $\to$ Lyophilic solution

Milk $\to$ O/W emulsion

Rusing $\to$ slow reaction

Order of reaction $\to$ can be +ve /-ve integer, fraction

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