Question

Four common characteristics of chemical and physical changes

Answer 1

Answer:

there are four characterstic of CHEMICAL CHANGE

• one more new substance are formed in a chemical change
• A chemical substance is a permanent change
• A permanent change in colour may take place
• Absorption or release of heat ,light

There are four charactersic of physical change

• no new substance formed in physical change
• a physical change is temporary
• A physical change is reversed easily
• Very little energy is either absorbed