Class 7 Science MCQs (Grade 7) From Textbook

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Class 7 Science Entrance Exam: Certification Test 129

Uses of Radioisotopes Notes App & e-Book: MCQ 129

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MCQ: 129

A large amount of heat is produced in power plants when energy is released which turns

  1. black rods into orange
  2. water into steam
  3. ice into water
  4. acid into alkali

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Uses of Radioisotopes Textbook Tests: Class 7 Science App & eBook Notes

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