Please answer it
I will mark you as Brainliest
Answers
Answer:
chemical
chemical
physical
both(as in case of crippling of paper)
physical
chemical
Explanation:
the answers may b wrong but according to my opinion these only r the answers dear..
Answer:
Uʀ ᴀɴsᴡᴇʀ ➪
ɪɴ sʜᴏʀᴛ :
1.ᴄʜᴇᴍɪᴄᴀʟ
2.ᴄʜᴇᴍɪᴄᴀʟ
3.ᴘʜʏsɪᴄᴀʟ
4.ᴘʜʏsɪᴄᴀʟ
5.ᴘʜʏsɪᴄᴀʟ
6.ᴄʜᴇᴍɪᴄᴀʟ
Iɴ ᴅᴇᴛᴀɪʟ :
1. In an irreversible physical change, the original form cannot be restored. Melting ice and grinding wood into sawdust are examples of physical changes.
2.A change in which one or more new substances are formed is called a chemical change. A chemical change is also called a chemical reaction.
3.sound or gas is produced in physical change .
4.When a force acts on an object, the object may change shape by bending, stretching or compressing - or a combination of all three shape changes. ... Pull an object's ends apart, eg when a rubber band is stretched. Push an object's ends together, eg when an empty drinks can is squashed.
6.During a physical temperature change, one substance, such as water is being heated. However, in this case, one compound is mixed in with another, and these reactants produce a product. When the reactants are mixed, the temperature change caused by the reaction is an indicator of a chemical change.