The following are the observations of changes that have taken place. Align them to either chemical change or a physical change.
- The change is temporary and can be reversed by changing the conditions in most of the cases
- New substance(s) is/are formed.
- The chemical properties of the original substance remain the same.
- There is an exchange of energy during this change.Which means that heat and light may be given out or absorbed.
- As a result of the change there may or may not be any change in the energy possessed by the original substance
- There is no change in the chemical composition of the original substance.
- The change is permanent and cannot be reversed by changing the conditions or through ordinary physical processes.
- There may or maynot be any change in the state , size, shape, colour,and smell of the substance that undergoes this change.
- The composition and the properties of the parent substance or substances changes
- There is usually a change in the mass of the of the parent substance/s as well
- No new substance is formed. [5 MARKS]