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प्रश्न
Multiple Choice Question
Hydrogen is
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उत्तर
- neither supporter nor combustible
- combustible
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संबंधित प्रश्न
State four uses of hydrogen:
Write the balanced equation and give your observation when the following metal reacts:
Magnesium with boiling water
How is hydrogen separated from carbon dioxide and carbon monoxide?
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
With reference to the equation : Cl2 + H2S → 2HCl + S pertaining to a redox reaction – select the correct answer.
Hydrogen sulphide is ______ to sulphur since the reaction involves ______ of hydrogen.
Give a chemical test to distinguish between the following gases:
Ammonia and hydrogen chloride
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
Name a gas which burns in air or oxygen forming water.
What do you observe when a piece of sodium is dropped into cold water?
Give balanced equation for obtaining hydrogen from cold water using a divalent active metal.
