Question

what is chemical change? ​

Answer 1

Answer:

Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.

Answer 2

What is chemical change ?

Chemical change is a change where a new substance form when you do a change in a substance or a object.

Chemical change is also irreversible change.Irreversible change cannot be changed as before how it is.

Examples -

• Burning a paper gives you ash but You can't reverse into paper
• You can turn milk into curd,but not curd into milk.

| Additional details |

What is physical change ?

This change can be changed before and after. This is revrsible changes.

Examples

• You can take water and freeze it in fridge,After sometime take it out out you will get the water.

Other example -

• A paper when it is moulded after you can unmould it.