William C. Hall <br/><br/>
Searching into chemistry : questions for secondary schools 

 - Edinburgh  Oliver & Boyd  1970 
 - 111p  21cm 
<br/><br/><label>ISBN: </label>050022326 
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Chemistry<br/> Problems, exercises, etc. Chemistry.
<br/><br/><label>Dewey Class. No.: </label>540.7 H181s