Pritchard, Gareth. <br/><br/>
Chemistry :  Homework for OCR A / 
by Gareth Pritchard. 
 - Oxford :  Heinnemann,  2001. 
 - 89 p. :  ill ;  27 cm. 
 - Includes index. .
 - Includes index. .
<br/><br/><label>ISBN: </label>0435582801 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry.<br/>Science--Chemistry.