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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:
The hydrogen molecule is monovalent.
Give a balanced chemical equation for the reaction.
Multiple Choice Question
Hydrogen is responsible for producing
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Hydrogen is dried by passing it through conc. H2SO4.
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Give balanced equation for the following conversion:
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Select the correct options for the following statement:
The gas which has now replaced hydrogen in air balloons is ___.
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Hydrogen and oxygen
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How can you obtain hydrogen from sodium hydroxide [not by electrolysis].
Name a gas which burns in air or oxygen forming water.
Write a correctly balanced equation for the following:
When steam is passed over red hot iron.
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Two jars of H2 are collected – “one burns quietly and the other does not”.
Describe one chemical test applied to the following gases, which would enable you to distinguish between them :‘carbon monoxide and hydrogen’.
What do the following symbols represent : 2H and H2.
