- cerous
- chain reaction
- cenltium
- ceria
- cerium
- cerotic-acid
- ceruse
- chlorine
- cholic acid
- chrominian
- chromium
- cinabar
- citric
- chloralose
- chloramine
- chlorate
- chloride
- chloropicrin
- chlorous
- choline
- chromite
- chromate
- chrome
- citral
- clifornium
- cobalamin
- cobalt
- colchicine
- colcothar
- columbite
- combination
- combine
- concentrate
- concentration
- concentrated
- composite
- compound
- copolymer
- copperas
- coumarin
- coumerone
- covalency
- corticoid
- creatinine
- creosol
- creosote
- cresol
- cryogen
- cryoscopy
- cupric
- cuprous
- curarine
- curium
- cyanamide
- cyanate
- cyanic
- cyanide
- cyanogen
- cyanogenesis
- cyclamin
- cycle
- cyclohexane
- cystine
- deactivation
- decane
- decompose
- degradation
- dehydrogenation
- decarbonize
- decoke
- dehydration
- delinquesce
- delinquescence
- delinquescent
- decomposable
- decarbonate
- decomposition
- dehydrant
- dehydrate
- dehydrogenize
- denitrate
- denitrify
- deoxidization
- deoxidize
- deoxidizer
- deoxygenate
- dephosphorise
- derivation
- desulphurization
- dextrin
- dextro-rotatory
- dextrogyrate
- dextrose
- deoxidate
- deoxidation
- deoxygenation
- dephosphorization
- dephosphorize
- deportment
- desulphurise