Chapter 7: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 7
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MCQ 196: The process of decomposition by the use of electricity is known as
MCQ 197: The rise of temperature due to resistivity, used i
MCQ 198: The charges stay where they are produced if the material is
MCQ 199: When the sound waves reach our ear, we hear them as
MCQ 200: The metal detectors that are used in malls, stations, airports and other commercial areas have
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