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  3. 10th Class
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10th Class Science Sample Paper Sample Paper - 1 Term - 1

  • question_answer
    Four students measured the pH values of water, lemon juice and sodium bicarbonate solution. Write the correct sequence of solutions in decreasing order of pH value.  

    Answer:

    The pH values of water is 7, sodium bicarbonate is 8.4 and lemon juice is 2 to 6. Therefore, the correct decreasing sequence is Sodium bicarbonate > Water > Lemon juice  


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