SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    All acids essentially contain the element

    A)  Oxygen

    B)  chlorine

    C)  Sulphur

    D)  hydrogen

    Correct Answer: D

    Solution :

     An acid usually contains a hydrogen atom bonded to a chemical structure that is still energetically favourable after loss of PT (a positive hydrogen ion or proton). A lower pH means a higher acidity, and thus a higher concentration of positive hydrogen ions in the solution. Chemicals or substances having the property of an acid are said to be acidic.

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