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प्रश्न
Tick (√ ) the most appropriate answer.
The catalyst used in the preparation of oxygen from hydrogen peroxide is :
पर्याय
Magnesium oxide
Manganese oxide
Manganese dioxide
Manganese hydroxide
उत्तर
Manganese dioxide
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
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