An Enzyme
A biological catalyst is an enzyme. An enzyme lowers the amount of activiation energy in order for a reaction to occur, they are also reusable.
The hardness of diamond is a physical property of the diamond. The statement is also untrue as diamond is only the hardest known mineral, not the hardest known substance.
silica, also known as sand
Formaldehyde, also known as methanal is often used to preserve specimens. It is used as a 40% solution in water known as formalin.
A change in matter that produces one or more new substance is a chemical reaction. This is also known as a chemical change.
This is known as an enzyme.
A biological catalyst is an enzyme. An enzyme lowers the amount of activiation energy in order for a reaction to occur, they are also reusable.
Steroids is this substance
black substance
substantia nigra
Fat
Asbestos
Glial cells
Any substance that can donate electron is known as electron donor. Also known as reducing agent.
homogeneous mixture, also known as a solution
Kerria Lacca is known to secrete the substance known as lac. Lac is used in the creation of medicine, the process of dyeing wool or silk and is also a useful cosmetic.
A non paricant primary is a primary where candidates are not labeled under a party. It may also be called an open primary.