Question

plz give me corret answer .ans me fast​

Answer 1

Answer:

the change than cant be transform is called chemical and opposite of it called physical .

curdling of milk is a chemical change ....

Answer 2

Answer:

Ans-1 Formation of curd from milk is an irreversible change because the product so obtained can't be changed to it's original form . Once changed into curd , we can't change it back to milk..

Ans-2 Physical Change:-

1. When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.

2. Physical change is a temporary change.

Chemical change:-

1. When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

2. A chemical change is a permanent change.

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