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प्रश्न
Magnesium ribbon is rubbed before burning because it has a coating of ____________.
पर्याय
basic magnesium carbonate
basic magnesium oxide
basic magnesium sulphide
basic magnesium chloride
MCQ
रिकाम्या जागा भरा
उत्तर
Magnesium ribbon is rubbed before burning because it has a coating of basic magnesium carbonate.
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