Sagot :
Answer:
Pure Substance
Explanation:
Pure substances have the potential to form predictable products from chemical reactions. The reason for this reliability comes from the absence of impurities that could start other reactions that might interfere with the reaction that is being studied by a chemist.
Answer:
Reaction that produces new substance.
Chemical reactions
Chemical reactions involve combining different substances. The chemical reaction produces a new substance with new and different physical and chemical properties. Matter is never destroyed or created in chemical reactions.
Explanation:
hope it helps:)