Table of Contents
What chemical means mean?
As a noun, the common definition of chemical is a substance that is produced or used in a process (reaction) involving changes to atoms or molecules. The term is sometimes defined more broadly as “a substance”. As an adjective, “chemical” means “of or pertaining to chemistry”.
What is chemical and its example?
Chemical is defined as something relating to chemistry or the use of a drug. An example of chemical smell is the odor of Lysol. An example of chemical is the dependency on cocaine or alcohol. A substance having a specific molecular composition, obtained by or used in a chemical process.
What are chemicals examples?
Examples of chemicals include the chemical elements, such as zinc, helium, and oxygen; compounds made from elements including water, carbon dioxide, and salt; and more complex materials like your computer, air, rain, a chicken, a car, etc.
How do you explain chemicals to a child?
A chemical is a substance that has specific properties or characteristics we can use to identify it. They may interact with other substances and change form. Chemicals can get into our bodies through our skin, things we eat and drink, and the air we breathe — this is called exposure.
How do you describe chemicals?
A chemical substance is a form of matter having constant chemical composition and characteristic properties. Chemical elements may or may not be included in the definition, depending on expert viewpoint. Chemical substances are often called ‘pure’ to set them apart from mixtures.
What is chemical short answer?
Brainly User. Answer: Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.
Is Bleach a chemical?
What is bleach? Household bleach is actually a mixture of chemicals, Its main constituent is a solution of ~3-6% sodium hypochlorite (NaOCl), which is mixed with small amounts of sodium hydroxide, hydrogen peroxide, and calcium hypochlorite.
Is blood a chemical?
Blood is a complex mixture of compounds, including the plasma and red and white blood cells. Chemically, they are proteins, or hydrocarbons.
What is chemical in your own words?
Chemical means involving or resulting from a reaction between two or more substances, or relating to the substances that something consists of. chemical reactions that cause ozone destruction. the chemical composition of the ocean.
Is water a chemical?
water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds.
What is another word for chemicals?
chemical
- synthetic.
- actinic.
- alchemical.
- enzymatic.
- synthesized.
- synthetical.
Are all chemicals liquid?
They can be in any form – liquid, solid or gas. Chemicals can be a pure substance or a mixture.
What is and is not a chemical?
If anything made of matter is made up of chemicals, then only phenomena that aren’t made of matter are not chemicals. Energy is not a chemical. Light, heat, and sound are not chemicals — nor are thoughts, dreams, gravity, or magnetism.
What is “chemical means” mean?
Chemical(adj) pertaining to chemistry; characterized or produced by the forces and operations of chemistry; employed in the processes of chemistry; as, chemical changes; chemical combinations. Chemical(noun) a substance used for producing a chemical effect; a reagent.
What is an example of a chemical?
A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory.
What are 5 chemical changes?
Answer: Five classes of chemical changes are single replacements, double replacements, synthesis, decomposition and Oxidation.