
Chemicals in Memphis, TN - The Real Yellow Pages®
Chemicals in Memphis on YP.com. See reviews, photos, directions, phone numbers and more for the best Chemicals in Memphis, TN.
Chemistry | Definition, Topics, Types, History, & Facts | Britannica
Dec 26, 2025 · Most of the materials that occur on Earth, such as wood, coal, minerals, or air, are mixtures of many different and distinct chemical substances. Each pure chemical substance …
PubChem
Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature …
What is a Chemical ? | Nuclear Regulatory Commission - NRC
Chemical changes are different from physical changes, which don't result in a change in substances. One example of a physical change is when water freezes into ice. While ice may …
Substance (chemistry) - Wikipedia
Chemical substances can exist in several different physical states or phases (e.g. solids, liquids, gases, or plasma) without changing their chemical composition. Substances transition …
What Is a Chemical? Definition and Examples
Oct 15, 2023 · For example, pesticides in water or artificial colorings in food are “chemicals.” But, chemistry sees chemicals somewhat differently. A chemical is a substance with a specific …
Chemicals, Pesticides and Toxics Topics | US EPA
May 15, 2025 · Learn how to safely handle chemicals, the effects of certain toxins, which substances are controlled or managed, and safer alternatives.
12 Types of Chemicals Explained | Uses, Examples & Safety Tips
Aug 28, 2025 · Learn about 12 types of chemicals with examples, uses, and safety tips. Explore acids, bases, polymers, pharmaceuticals, and more in everyday life.
CHEMICAL Definition & Meaning - Merriam-Webster
The meaning of CHEMICAL is of, relating to, used in, or produced by chemistry or the phenomena of chemistry. How to use chemical in a sentence.
What are chemicals and what are their uses? - Ishtarcompany
May 17, 2025 · Chemicals are substances that are made up of mass and volume, have a fixed chemical composition and specific properties, and cannot be broken down into other …