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
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.
No they are competitors and are not merging
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
One advantage of merging banks is that the banks share the risk of their money ventures. One of the disadvantages of merging them is that they share the profits of any venture.
You would use Microsoft Word for mail merging.