1
                           general:: 
                              noun ADJ.  pure | organic | inorganic, synthetic | dangerous, harmful, hazardous, poisonous, toxic | agricultural, household, industrial VERB + CHEMICAL  manufacture, produce | discharge, dump chemicals discharged by industry into our lakes and rivers | be exposed to Many workers are regularly exposed to dangerous chemicals. CHEMICAL + NOUN  factory, plant, works pollution from a big chemicals plant | business, company | industry, manufacturing
                        
                        
 
                        
                            Oxford Collocations Dictionary
                        
                        
                    
                    
                        3
                           general:: 
                            chemical
adjectives 
dangerous/harmful 
• Many cleaning products contain chemicals that can be harmful. 
hazardous 
(= very dangerous )
• There are major problems over the disposal of hazardous chemicals. 
toxic/poisonous 
(= containing poison )
• The chemicals that were released were highly toxic. 
synthetic chemicals 
(= made by mixing artificial substances )
• A synthetic chemical is, in theory, identical to that found in nature. 
organic chemicals 
(= containing natural substances including carbon )
• Oil and coal are known as organic chemicals. 
industrial/agricultural chemicals 
(= used in industry/in farming )
• Some deaths from cancer are related to industrial chemicals. 
verbs 
use chemicals 
• Farmers use chemicals to kill insects that would destroy their crops. 
produce chemicals 
• the dangerous chemicals produced by burning oil 
be exposed to chemicals 
• Some of the troops were exposed to chemicals. 
chemical + NOUN 
the chemical industry 
• The chemical industry is one of the most important industrial sectors. 
a chemical plant 
(= factory producing chemicals )
• There has been an explosion at a chemical plant in Germany. 
a chemical fertilizer 
(= chemicals to help plants grow )
• Many crops are grown with chemical fertilizers. 
chemical waste 
• the risks from pollution and chemical waste 
chemical weapons 
(= poisonous chemicals used as weapons )
• a global treaty banning chemical weapons 
chemical warfare 
(= the use of chemical weapons in wars )
• There is now also the threat of chemical warfare. 
                        
                        
 
                        
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