हिंदी

The Scottish chemist ______ discovered carbon dioxide is present in air. -

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प्रश्न

The Scottish chemist ______ discovered carbon dioxide is present in air.

विकल्प

  • Joseph priestly

  • Joseph black

MCQ
रिक्त स्थान भरें

उत्तर

The Scottish chemist Joseph black discovered carbon dioxide is present in air.

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