Which option should be used to type H2O, to get 2 at its proper place?

A. Bold

B. Superscript

C. Underline

D. Subscript

Correct Answer is :

D. Subscript

Explanation

A subscript or superscript is a character that is set slightly below or above the normal line of type, respectively. It is usually smaller than the rest of the text. Subscripts appear at or below the baseline, while superscripts are above.