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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
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
FILL IN THE BLANK
In nature, hydrogen occurs as a .................. molecule represented as H2
Write the balanced equation and give your observation when the following metal reacts:
Calcium with cold water
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
Give equations for the reactions.
Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.
Write down the “word equation” for the following reaction:
sodium hydroxide solution + zinc → ?
Describe briefly, with equations, the Bosch Process for the large scale production of hydrogen.
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
