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Hydrogen — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYHydrogen3 Marks
Question
State four uses of hydrogen:
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Answer

$1.$ Hydrogen with oxygen produce oxy$-$hydrogen flame which is used for cutting and welding.
$2.$ Hydrogen gas is used as a fuel.
$3.$ Hydrogen is used for hydrogenation of vegetable oil.
$4.$ Hydrogen gas is used extensively in the manufacture of ammonia gas, which is used to produce fertilizers.

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