How will you justify that the formation of water from hydrogen and oxygen is a chemical change?
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In a chemical change two substances are when mixed and form a new substance. Same with hydrogen and oxygen they mix together to form a new substance which is water or H2O with 2 molecules of Hydrogen and 1 molecule of Oxygen
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Water molecules can be broken down into hydrogen and oxygen molecules by a chemical reaction called electrolysis. When an electric current is passed through liquid water (H2O), it changes the water into two gases—hydrogen and oxygen. The molecules of water break apart into individual atoms.
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