Some things that are true today can change.
There are also what people often refer to as universal truths. These are supposedly unchanging, a hypothesis as yet, unproven.
True. A change in state, such as from solid to liquid or gas, is a physical change because the substance's chemical composition remains the same and only its physical properties, like shape or state, change.
Not true, they are not similar; a chemical change is a change in the molecule, the physical change is not.
The statement is false: A chemical change of a substance is defined as a change in which the substance is not the same substance after the change as it was before.
True
True. Acceleration is any change in velocity, including a change in direction. So when you change direction, you are indeed accelerating.
A change in color
True
true?
True.
Yes, it is true that an equilibrium constant is not changed by a change in pressure.
True
A change in color