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Chemical substance - Wikipedia

A chemical substance is a form of matter that has constant chemical composition and characteristic properties. It cannot be separated into components by physical ...

Chemical substance - definition of chemical substance by ...

Related WordsSynonymsLegend: Switch to new thesaurus Noun 1. chemical substance - material produced by or used in a reaction involving changes in atoms or molecules ...

Chemical substance - New World Encyclopedia

A chemical substance is any material that has a definite chemical composition. Moreover, a pure substance cannot be separated into other substances by any mechanical ...

types of chemical substance - synonyms and related words ...

Comprehensive list of synonyms for types of chemical substance, by Macmillan Dictionary and Thesaurus

Chemical Substances - CAS REGISTRY

CAS REGISTRY SM contains more than 130 million unique organic and inorganic chemical substances, such as alloys, coordination compounds, minerals, mixtures, polymers ...

Chemical substances - Facts on Health and the Environment

Clear Summaries of Scientific Reports on Chemical substances. Substances we take in through food and water or through the air we breathe may influence our health.

chemical substance - Dictionary Definition : Vocabulary.com

a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck

Chemical substance | definition of chemical substance by ...

chemical substance Pharmacology Any substance including alcohol, drugs, or medications–eg, those taken pursuant to a valid prescription for legitimate medical ...

About the TSCA Chemical Substance Inventory | US EPA

What is the TSCA Chemical Substances Control Inventory? Section 8 (b) of the Toxic Substances Control Act (TSCA) requires EPA to compile, keep current and publish a ...

Chemical substance - Simple English Wikipedia, the free ...

A chemical substance is any material with a known chemical composition. For example, water has the same properties and the same ratio of hydrogen to oxygen whether it ...


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