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Exploring Substances: Acidic, Basic, and Neutral — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceExploring Substances: Acidic, Basic, and Neutral1 Mark
Question
What surprising thing happened with Ashwin and Keerthi at the science fair?
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Answer

Their white sheets showed the words “Welcome to the Wonderful World of Science” after being sprayed with a liquid. This made them very excited and curious​.

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