Chapter 5: Class 10 Chemistry Exam Tests
Class 10 Chemistry MCQs - Chapter 5
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MCQ 56: Ore of mercury is called
MCQ 57: Ore of copper is called
MCQ 58: Number of carbon atoms per molecule in fuel oil is
MCQ 59: The process of converting minerals into oxides is called
MCQ 60: A solid deposit containing a sufficiently high percentage of a mineral to make extraction of metal economically feasible is called
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