Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Chemical reactions-en#Sense
Réaction chimique-fr#Sense
Kemialliset reaktiot-fi#Sense
Chemische reacties-nl#Sense
Reações químicas-pt#Sense
Kemiska reaktioner-sv#Sense
Kemisk reaktion-da#Sense
Reaciones químicas-es#Sense
Χημικές αντιδράσεις-el#Sense