- The reaction in which we can't take back the product to reactant form .Or in simple words the reaction which is irreversible is called chemical reaction
Example:-
We cannot pull back the reaction to get wax back .
Answer:
Wall, cup, mug, plastic spoon
Explanation:
Because all of those are glass and it is important to us to make sure that if you are touching this brle careful
A scientific theory is a well tested explanation of a natural phenomenon.
Answer:
Have no valence electrons because they are stable.
Thank you.
BY GERALD GREAT