Question

what is the use of <sub> and <sup> explain with suitable example
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Answer 1

Answer:

The <sub> tag defines the subscript text. Subscript text appears half a character below the normal line and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like H2O to be written as H2O. Superscript: The <sup> tag is used to add a superscript text to the HTML document.