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प्रश्न
Two substances from which oxygen can be obtained at a large scale.
एक शब्द/वाक्यांश उत्तर
उत्तर
Air, water.
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Properties of Oxygen
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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संबंधित प्रश्न
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