chemical reaction
chemical alteration, chemical degradation
A synonym for chemical potential energy is chemical energy. It refers to the energy stored in the bonds of chemical compounds and released during chemical reactions.
Cyanide is the name for a chemical and has no synonym. However, you could call it a poison or chemical.
Merging Cells
No they are competitors and are not merging
A chemical change is the result of two or more substances combining to form an entirely new substance. Some synonyms for the term chemical change include synthesis, chemical action, and chemical process.
Yes. Be careful to mind drivers while merging, they could be switching lanes as you merge.
Not "a" merging galaxy - merging galaxies. Sometimes two (or even more) galaxies collide, and eventually combine (i.e., "merge") into a single galaxy.
give two examples to describe merging of documents
You would use Microsoft Word for mail merging.
The merging of several businesses into one is called consolidation.