Q:
What is a pure substance in science?
A:
Quick Answer
A pure substance is any single type of material that has not been contaminated by another substance. Water is considered a pure substance if the water contains only hydrogen and oxygen.
Continue Reading
Credit:
Yasuhide Fumoto
Photographer's Choice RF
Getty Images
Full Answer
Other examples include gold, silver and salt. In chemistry, a pure substance has a definite composition. It can be a compound or a single element. The material is no longer a pure substance if it has been mixed with another pure substance. Two pure substances mixed together is known as a mixture. Scientists often use filtration to separate pure substances from a mixture in order to analyze the materials.
Learn more about ChemistrySources:
Related Questions
-
Q:
How does the surface area affect the rate of reaction?
A: Increasing the surface area of a substance involved in a chemical reaction exposes more of the material to the reactant, thereby speeding up the reaction p... Full Answer >Filed Under: -
Q:
What is a compound in science?
A: A compound is a material made from two or more chemical elements that have bonded. The two main types of compound bonds are covalent bonds and ionic bounds... Full Answer >Filed Under: -
Q:
What is a rust inhibitor?
A: A rust inhibitor is a type of substance or chemical compound that reduces the rate of oxidation. It also helps prevent early rust damage from occurring. Full Answer >Filed Under: -
Q:
What is a pure metal?
A: A pure metal is a substance that contains atoms of only one type of metallic element, such as aluminum, gold, copper, lead or zinc. Most metals very rarely... Full Answer >Filed Under:
