Question

The substances sodium (Na), oxygen (O2), and sodium oxide (Na2O) participate in this chemical reaction: 4Na + O2 ? 2Na2O. Which statement best describes the reaction? A. Elements rearrange, but no compounds are created or destroyed. B. Sodium oxide is created by the chemical reaction. C. Atoms from sodium oxide rearrange to form sodium and oxygen. D. In a mixture of the three substances, sodium oxide separates from the sodium and oxygen.

Answer 1

The substances' sodium (Na), oxygen (O2), and sodium oxide (Na2O) participate in this chemical reaction. 4Na + O2 = 2Na2O is the reaction between Na and O2. The suitable sentence is Sodium oxide is created by the chemical reaction.

What is chemical reaction ?

A chemical reaction is a process that converts one or more substances, known as reactants, into one or more different substances, known as products. Chemical elements or compounds are examples of substances.

Because Na and O are not balanced, the balanced equation by hit and trial will be: 4Na+O2Na2O.

A chemical reaction occurs when two or more compounds or substances undergo chemical transformation to form new compounds or substances. Chemical equations express chemical reactions using symbols and chemical formulas of the compounds involved.

Thus, option B is correct.

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