Which of the following is NOT a valid unit factor derived from 1 inch = 2.54 cm? - Some Basic Concepts of Chemistry Quiz | GKFix.in

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Question

Which of the following is NOT a valid unit factor derived from 1 inch = 2.54 cm?

A. 1 inch / 2.54 cm
B. 2.54 cm / 1 inch
C. 1 inch / 2.54 inches
D. None of these