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प्रश्न
Write balanced equation for the following reaction:
magnesium + dil. hydrochloric acid → ___
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उत्तर
Mg + 2HCl (dil.) → MgCl2 + H2
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
Hydrogen gas is easily liquefiable.
Give reason for the following:
Helium replaced hydrogen in weather observation balloons?
Multiple Choice Question
Hydrogen is
MULTIPLE CHOICE QUESTIONS
The name hydrogen was given by
- Cavendish
- Lavoisier
- Haber
- none of these
FILL IN THE BLANK
The compounds of carbon and hydrogen are called .................
FILL IN THE BLANK
Ammonia is used to make ................
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Hydrogen is dried by passing it through conc. H2SO4.
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Give balanced equation for the following conversion:
Nitrogen to a basic gas – using hydrogen.
Give reason for the following:
The reaction of chlorine with hydrogen sulphide is deemed a redox reaction.
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Two jars of H2 are collected – “one burns quietly and the other does not”.
Write correctly the balanced equation for the following:
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Write balanced equation of the reaction in the preparation of : hydrogen from a solution of potassium hydroxide [other than by electrolysis].
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen has one valence electron.
