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1. Ashwin wants to know the acid-base characteristics of a sample. The sample is a powder. He touches different litmus papers of different colours. There is no change, so he concludes it as neutral. The teacher said his result is wrong. Why?
2. In class, there was a debate about neutralisation. Acid and base react to form a salt with other byproducts, according to Vinay. Is Nicole right in her argument?
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