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Unit - 7.2 Properties and Uses of Hydrogen — CHEMISTRY STD 8 — Question

ICSE BoardEnglish MediumSTD 8CHEMISTRYUnit - 7.2 Properties and Uses of Hydrogen2 Marks
Question
State five physical properties of hydrogen gas.
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Answer

Physical properties of hydrogen -
1. Hydrogen is colourless, odourless and tasteless gas.
2. It is insoluble in water.
3. Vapour density of hydrogen is 1.
4. It is difficult to liquefy it as it liquefies at 243°C at a pressure of 20 atm.
5. It is combustible diatomic gas.

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