Chemical changes involve the breaking and forming of chemical bonds, resulting in new substances. Physical changes involve alterations in form, state, or appearance without changing chemical composition.
Which one among the following is an example of chemical change ?
Asked in UPSC NDA 2 2024 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Chemical Changes (Chemical Reactions))
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Answer: D. Mixing of NaOH and HCl
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