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प्रश्न
With reference to the uses of hydrogen, give reason for the following:
A mixture of hydrogen & oxygen on burning, find application in welding & cutting metals.
उत्तर
Hydrogen and oxygen mixture on burning produces a high temperature upto 2800°C which is used for welding and cutting of metals.
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संबंधित प्रश्न
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valence electrons
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(sparingly, highly, moderately)
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Hydrogen is not used in air balloons
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