What must occur for a change to be a chemical reaction?

1 Answer
Apr 15, 2017

Answer:

Two conditions must be satisfied.........

Explanation:

#"(i) The formation of new substances........"#

#"(ii) And the making and breaking of strong chemical bonds............"#

And if both conditions are satisfied, then you have the specified #"chemical change."# There are many other answers here that classify common transformations, I urge you to seek them out........