Question

Fill in the blanks. change is temporary and reversible. 2. In a chemical change, the original substance loses its own and properties. change is generally associated with the evolution or absorption of energy. 4. When a chemical change takes place with the evolution of heat energy, the change is said to be ​

Answer 1

Answer:

1. Physical change is a temporary and reversible change .

2. In a chemical change , the original substance loses its own Properties .

3. Chemical change is generally associated with the evolution and absorption of energy .

4. When a chemical change takes place with the evolution of heat energy, the change is said to be ​ - ​Exothermic .