Question

differntiate between physical change and chemical change...

if u know about these answer than pls tell otherwise don't write rubbish and nonsense words..​

Answer 1

✬ ANSWER ✬

★ What is a Change ?

➙ The changes which take place around us in form of Shape , size, position, colour , temperature, state etc.

• These changes are divided into two types : Physical changes and Chemical changes.

★ What is a Physical change ?

➙ The type of change in which only physical properties of any substance changes but no new substances are formed is called as physical change.

[ Characteristics of physical change ]

• Only the physical properties of the substance will change.

• No new substance will form.

• Nature of substance will remain same during the change & also after the change.

• It is a temporary change.

[ Some examples ]

• Glowing of an electric bulb , Magnetisation of iron piece, cutting a piece of paper etc.

★ What is a Chemical Change ?

➙ A change in which one or more new substances are formed is know as chemical change.

[ Characteristics of chemical change ]

• New substance with different properties will form.

• It cannot be reversed by simple methods so we can call it as a permanent change.

• A large amount of heat is absorbed or evolved during the change.

[ Some examples ]

• Rusting of iron , Burning of candle , photosynthesis, formation of curd etc.

Answer 2

Answer:

Physical Change: The change in which no new substance is formed is called physical Change.

Chemical Change: The change in which new substances are formed by the reaction is

called chemical change.

Hope This Helps You