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10th Class Science Acids, Bases and Salts / अम्ल, क्षार एवं लवण Question Bank Acid, Bases and Salts

  • question_answer
    By A substance 'X' reacts with dilute nitric acid to produce a colorless gas. This gas is dissolved in water to form a solution with pH value less than 7. Identify the substance 'X'.

    A) Sodium chloride

    B) Sodium oxide

    C) Sodium hydroxide

    D) Sodium carbonate

    Correct Answer: C

    Solution :

    pH from 7.1 to 14 is called alkaline pH. Hence, the pH of blood is between 7 and 8 so, it is slightly alkaline.


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