Substances act as buffers when combined in equal amounts because they have the ability to resist changes in pH. This occurs because the acidic and basic components of the buffer can neutralize each other, helping to maintain a relatively constant pH when small amounts of acids or bases are added.
2 or more substances physically combined, or having no chemical bond
Two or more substances that are not chemically combined are called mixtures. Examples include air, saltwater, and soil.
no some are already combined
substances
You mix them without measuring anything out.
Biogradable substances are substances which can be graded in to different substances.for instance water is H2o. two amounts of hydrogen and one amount of oxygen combined to make a liquid.
Substances act as buffers when combined in equal amounts because they have the ability to resist changes in pH. This occurs because the acidic and basic components of the buffer can neutralize each other, helping to maintain a relatively constant pH when small amounts of acids or bases are added.
Chemical
mixed substances
when substances are combined it is sometimes called a mixture.
No, the substances in a mixture are not chemically bonded. Mixtures are physical combinations of substances.
Pure substances that are physically combined make a mixture.
two or more subsantes (a mixture of substances) !
mixture
connetict energy
A mixture is a combination of substances that are combines physically, but not chemically.