When an electric current passes through water, the reaction above takes place. How can this reaction be described? NEED ANSWER NOW TAKING A TEST. PLS HEL

A chemical change

Explanation:

A physical reaction is defined as the reaction in which a change in shape, size takes place. No new substance gets formed in these reactions.  Example: melting of ice

A chemical reaction is defined as the reaction in which a change in chemical composition takes place.A new substance is formed in these reactions.

Decomposition of water using electric current to produce hydrogen and oxygen is called as electrolysis and is a chemical change.

the volume of fluid displaced would equal the volume of the gas. use a gas syringe - this is a laboratory instrument that can be used to withdraw a certain volume of gas from a closed system or to measure the volume of gas from a chemical reaction.

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