what is chemical change
Answers
Answer:
➣Chemical changes are also known as chemical reactions.
➣The “ingredients” of a reaction are called the reactants, and the end results are called the products.
➣ The change from reactants to products is signified by an arrow:
➥Reactants → Products
➣The formation of gas bubbles is often the result of a chemical change (except in the case of boiling, which is a physical change).
➣A chemical change might also result in the formation of a precipitate, such as the appearance of a cloudy material when dissolved substances are mixed
Answer:
a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.
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