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Grade 7 : Science (Curiosity) - 2. Acids, Bases, Neutral (Set 5) | Concept of Maths
Grade 7 : Science (Curiosity) - 2. Acids, Bases, Neutral (Set 5)
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A chemist is testing various household substances to classify them as acidic, basic, or neutral. One substance turns red litmus paper blue and feels slippery to the touch.
Based on these observations, which type of substance is being tested?
Acidic
Basic
Neutral
Amphoteric
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