Chapter 2: Class 7 Science Exam Tests
Class 7 Science MCQs - Chapter 2
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MCQ 61: The first electromagnetic generator "Faraday disk" was built in
MCQ 62: If no loss or gain of electrons occur by mixing of two atoms, we say that they may be attached to each other due to
MCQ 63: Uranium-238 which is an isotope of uranium, is
MCQ 64: The symbol of Nitrogen is
MCQ 65: The larger the number of subatomic particles, the more the likeliness of being
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