A substance which resists changes in pH is called a buffer.
BUFFERS.
When a substance is liquid and it changes to gas, we call that boiling.
Universal Indicator. NB Litmus paper onl;y changes from red to blue.
Inertia is the tendency of an object to resist changes in its motion. This is, in essence, the statement of Newton's first law. The concept of inertial is quantified by mass. We say an object with twice the mass has twice the inertia. See also the related question link.
substance
Changes that occur slowly over time are given the name evolution.
occlude
a reactant
substance
Substance(s) is a temporary name to any material.
refraction
velvet
Matter