7th Class Science Acids, Bases and Salts Question Bank Acids, Bases and Salts

  • question_answer 127) DIRECTIONS: Read the following three statements and choose the correct answer. (i) If the soil is basic then compost is added to it to neutralize the basic nature of soil. (ii) China rose indicator changes colour to dark pink in acidic media and green in basic media. (iii) Tomato contains acetic acid.

    A) Statement (i) and (iii) are incorrect but (ii) is correct

    B) Statement (i) and (ii) are incorrect but (iii) is correct

    C) All statements are correct

    D) All statements are incorrect

    Correct Answer: C

    Solution :

    All the statements are correct.

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