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Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence. Scientific methodology includes the following: Objective observation: Measurement and data (possibly although not necessarily using mathematics as a tool) Evidence.
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The stains turn red when such clothes are washed with detergents . It is because turmeric in food contains an acid (tartaric acid), while the detergents contains a base (sodium hydroxide). When an acid reacts with a base, neutralization reaction takes place and the stain becomes neutral. Therefore, due to this reaction the stain turns red.
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