Chapter 14: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 14
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MCQ 1: Fluoride is also added to water, which helps in preventing
MCQ 2: The tanks that supply water to towns are built at
MCQ 3: Polar ice caps are found near the
MCQ 4: Oil can be poison for
MCQ 5: The largest ocean on earth is
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