Chapter 23: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 23
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MCQ 51: The taste of acid is
MCQ 52: Acidic soil and lake water can be neutralize by addition of
MCQ 53: A mixture of different types of indicators that is used to determine the acidity of a substance is called
MCQ 54: Mass of a solution is equal to the mass of solvent plus
MCQ 55: Vinegar contains an acid "acetic acid" which has other name
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