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प्रश्न
Give reasons for the following:
oxygens finds utility in welding & cutting of metals.
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उत्तर
Oxygen finds utility in welding and cutting of metals because of Oxy-acetylene flame provides temperature aroud 3000° C and oxy-hydrogen flame provides temperature around 2800°C.
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संबंधित प्रश्न
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Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
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