2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Potassium hydroxide will turn:

    A) blue litmus to red

    B) china rose indicator to magenta              

    C) turmeric paper to yellow

    D) phenolphthalein indicator to pink           

    E) None of these                             

    Correct Answer: D

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