Because il is a « pronom impersonnel ». Ex: Il fait froid (It is cold). Ça a « pronom » use for replacement. Ex: J’ai vu ce film. Ça fait peur. (I saw that movie. It is scary)
Answer:
<h2><u>Toi</u></h2><h3><em /></h3><h3><em>Toi </em>means <em>you </em>in English. </h3><h3>This is question means, "What is <u>your </u>name?" because of the use of <em>tu </em>and <em>t'</em>.</h3>