Chemistry :  science for middle schools / 

 - New Delhi :  National Council of Educational Research and Training,  1968. 
 - 160p. : 
<br/><br/> pt 1 
<br/><br/>pt 1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>540  / NCE.C