Chemistry as a subject has a significant importance in our daily lives and the society in general. Everything on the earth is made of chemicals. ... It also describes various chemical elements preset in the environment, their reactions, and effects on the environment.
Answer:
big pp BIG PP small pp :(
Answer:
chemical reactions change reactant and produce new substance called products.
Explanation:
chemical reaction is a change which will produce a new substance. ( while physical reaction does not produce a new substance.
1) aluminum
2) copper
3) white paper
