Answer
a) Chemical Change
b) Physical Change
c) Yes, by reducing the temperature or by increasing the pressure on the chemical. It is a physical change.
d) Yes, physical properties and chemical properties change from c to d.
Work Step by Step
A) The aftermath of this condition results in the joint movement of molecules think in terms of Brownian motion and therefore a chemical change.
B) This condition just results in decrease of spaces between the chemicals. Therefore it is a physical change.
C) There is only a change in physical state.
D) This change is a physical change because of it changes only physical properties.
