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Question
How will you justify that the formation of water from hydrogen and oxygen is a chemical change?
How will you justify that the formation of water from hydrogen and oxygen is a chemical change?
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Solution
Dear student!
The formation of hydrogen is always a chemical change as it follows all the rules for a chemical change to occur.
=> It involves formation of a new compound (H2O)by reaction of two different matters H2 and O2 .
=> The reactants are in gaseous phase and product water is a liquid and the product has different property from the reactants.
=> The water is separated into hydrogen and oxygen gas only by electrolytic processes and not by any physical process.
Dear student!
The formation of hydrogen is always a chemical change as it follows all the rules for a chemical change to occur.
=> It involves formation of a new compound (H2O)by reaction of two different matters H2 and O2 .
=> The reactants are in gaseous phase and product water is a liquid and the product has different property from the reactants.
=> The water is separated into hydrogen and oxygen gas only by electrolytic processes and not by any physical process.
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