Question

Define the characteristics of chemical equation (word and symbolic) using common reactions.

Answer 1

Answer:

Explanation:

The important characteristics of chemical reactions are:

1. Evolution of a gas.
2. Formation of a precipitate.
3. Change in colour.
4. Change in temperature.

C +O2 = CO2 is the example

Answer 2

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Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.