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प्रश्न
Using a burning candle and a jar of hydrogen – how would you prove experimentally that Hydrogen is a combustible gas.
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उत्तर
Hydrogen gas is combustible and bums at the mouth of the gas jar. When a burning candle is brought near the mouth of hydrogen in gas jar.
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संबंधित प्रश्न
Complete and balance the following equation:
H2+____________→ 2HCI
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
FILL IN THE BLANK
Hydrogen is present abundantly in the ................
Correct the following statement:
Hydrogen is dried by passing it through conc. H2SO4.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Chlorine acts as an ______ agent.
Give a chemical test to distinguish between the following gases:
Hydrogen and oxygen
Write a correctly balanced equation for the following “word equation”:
calcium + water → calcium hydroxide + hydrogen
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
How would you obtain ‘hydrogen from sodium hydroxide’ solution other than by electrolysis?
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen has one valence electron.
