Cracking of petroleum is a chemical process.
It is physical, as no reaction happens when a shell is cracked.
It is a chemical change as it releases gases into the air.
Cracking an egg is a physical change, not a chemical change.
It is a physical change because the chemical composition of the glass does not change.
Physical.
Physical
It is physical, as no reaction happens when a shell is cracked.
It is a chemical change as it releases gases into the air.
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Cracking an egg is a physical change, not a chemical change.
It is a physical change because the chemical composition of the glass does not change.
It's a physical change. Anytime you change the shape or appearance it is physical.
Breaking, grinding, cracking are all examples of a physical change. The nature of the substance has not changed, just the size of the pieces has changed.
physical change since the egg and the contents inside do not become a new substance they remain the same only thing is that the shape or the appearance or the physical structure changes that is why it is called as a physical change not chemical because its internal composition is the same
Scrambling an egg is a chemical change. You can tell because chemical changes are irreversible, you cannot change the cooked egg back to a raw egg.
Physical.
see, cracking an egg open is cetrainly a physical change since the egg and the contents inside do not become a new substance they remain the same only thing is that the shape or the appearance or the physical structure changes that is why it is called as a physical change not chemical because its internal composition is the same to explain u better see , when u burn a paper, it turns into ashes n does not remain the same thing it earlier was, its composition changes, for this reason it is a chemical change. hope this info helps ,luck ,bye rutba