11. What is the HTML tag for break?HTML break tag is <br>
12. What are the extension supported by HTML?HTML supports .html and .htm also.
13. How to create tables using HTML?HTML tables are created using tags<table>. To divide a HTML table we have to use <tr>,which is table row. And also we have <td> and <th>.
14. How to add image in HTML?HTML tag for image is <img>. e.g. <img src= "image.jog" alt="image">
src is source path.
15. How to change the font size?To change the font use a simple tag <font size="5"> Or you can use heading tags also to give
change the font.Heading tag example: <h1></h1><h2></h2>.....<h6></h6>