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

Gujarat BoardEnglish MediumSTD 7ScienceExploring Substances: Acidic, Basic, and Neutral1 Mark
MCQ
You are provided with three unknown solutions labelled A, B, and C, but you do not know which of these are acidic, basic, or neutral. Upon adding a few drops of red litmus solution to solution A, it turns blue. When a few drops of turmeric solution are added to solution B, it turns red. Finally, after adding a few drops of red rose extract to solution C, it turns green. Based on the observations, which of the following is the correct sequence for the nature of solutions A, B, and C?
  • A
    Acidic, acidic and acidic
  • B
    Neutral, basic and basic
  • C
    Basic, basic and acidic
  • D
    Basic, basic and basic
✓

Answer

D. Basic, basic and basic.
A turns red litmus blue → Basic. B turns turmeric red → Basic. C turns red rose extract green → Basic.

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