Terms for subject Chemistry containing which

English	Spanish
fixing in which the mortar covers the whole tile back	salida del mortero por las juntas
gas from which the sulphur is removed	gas sin azufre
gas which causes or contributes to the combustion of other material more than air	gas que provoca o facilita la combustión de otras sustancias en mayor medida que el aire
In contact with water releases flammable gases which may ignite spontaneously.	En contacto con el agua desprende gases inflamables que pueden inflamarse espontáneamente.
more polynuclear aromatics PNA are produced from petrol which is rich in aromatics	cuando la gasolina es rica en aromáticos, se producen muchos aromáticos polinucleares
substance which, in contact with water, emits flammable gases	sustancia que, en contacto con el agua, desprende gases inflamables
substance which occurs in nature	sustancias presentes en la naturaleza