What is an atom
It is called a Chemical reaction.
Chemical Reaction is the answer...
it results in pysicalreaction
Combining two different substances to make a new substance is a chemical change
Both chemicatl & physical changes occurs. Beacose after new substance the new substance can be liquid or in precipitate form.After forming new substance the new substance would react or not it is not known.
Physically blending substances forms a mixture. Chemically combining substances forms a new substance, such as a compound.
its chemical property is the reason why such a substance change,due to different processes it can form again a new substance
The new substance that are produced