a chemical change occurs
When a chemical reaction takes place, matter is conserved. The number and types of atoms in the reactants do not change in the products.
No. It is purely a physical change, that of melting. No chemical reaction takes place.
It's a chemical change that takes place.
Physical change, as it goes from nitrogen liquid to nitrogen gas ... No chemical change takes place.
I assume you mean chemical "change" and the answer is no, it is a physical change that takes place.
a chemical change take a place
A chemical change takes place.
Bubbles are present. Heat is evolved since it is exothermic reaction.
The volume is changed.
False.
interact
There are signs that you can see when a chemical change takes place. It is true that fizzing or foaming is evidence that a chemical change may have occurred.
it viberates
a chemical change occurs
Yes, it turns to a solid and denaturation takes place.
Substances are changed only after the beginning of a chemical reaction.