Update Hydrogen.html

Hydrogen.html

@@ -75,7 +75,7 @@ <h3>Note:</h3> If you get no response after clicking 'Check answer' or 'Show ans
  <p style="font-size:115%; text-align:center;"> <input onclick="check(7,'Preparation of Hydrogen(Other methods)',1,1,1,1,0,0,'Zn + H<sub>2</sub>O','ZnO+ H<sub>2</sub>');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(7,'Preparation of Hydrogen(Other methods)',1,1,1,1,0,0,' Zn +  H<sub>2</sub>O ','ZnO + H<sub>2</sub>');" type="button" value="Show answer"></input></p>
 
 	<li> Iron metal reacts with steam to form Tri iron tetroxide and Hydrogen.</li>
-	<p style="font-size:115%; text-align:center;">  <input style="font-size: 16px; text-align: center"   size=1 name=q8a></input> Fe + <input  style="font-size: 16px; text-align: center" size=1 name=q8b></input> H<sub>2</sub>O&nbsp;&nbsp;<img src="ebce2.gif" />&nbsp;&nbsp;<input style="font-size: 16px; text-align: center" size=1 name=q8c></input>Fe<sub>3</sub>O<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q8d > </input>H<sub>2</sub></p> 
+	<p style="font-size:115%; text-align:center;">  <input style="font-size: 16px; text-align: center"   size=1 name=q8a></input> Fe + <input  style="font-size: 16px; text-align: center" size=1 name=q8b></input> H<sub>2</sub>O&nbsp;&nbsp;&#8652 &nbsp;&nbsp;<input style="font-size: 16px; text-align: center" size=1 name=q8c></input>Fe<sub>3</sub>O<sub>4</sub> + <input style="font-size: 16px; text-align: center" size=1   name=q8d > </input>H<sub>2</sub></p> 
  <p style="font-size:115%; text-align:center;"> <input onclick="check(8,'Preparation of Hydrogen(Other methods)',3,4,1,4,0,0,'Fe + H<sub>2</sub>O','Fe<sub>3</sub>O<sub>4</sub> + H<sub>2</sub>');" type="button" value="Check answer"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input type="reset" value="Reset"></input>&nbsp;&nbsp;&nbsp;&nbsp; <input onclick="show(8,'Preparation of Hydrogen(Other methods)',3,4,1,4,0,0,'3 Fe + 4 H<sub>2</sub>O', '  Fe<sub>3</sub>O<sub>4</sub> + 4 H<sub>2</sub>');" type="button" value="Show answer"></input></p></ol>
 
 	<li><h4>By the action of acids on metals:</h4>