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प्रश्न
Metal in the powdered form reacts very slowly with boiling water, but it decomposes in steam. Name the metal.
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उत्तर
Magnesium
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संबंधित प्रश्न
Write a balanced equation for the following:
Iron reacts with dil. HCl
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from dilute HCl.
From the knowledge of activity series, name a metal which shows the following properties:
It forms a base which is insoluble in water.
Give reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
Give a reason for the following.
Hydrogen is collected by the downward displacement of water and not of air, even though it is lighter than air.
Select the odd one out and justify your answer.
Zn, Fe, Mg, and Na
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
Name the following.
A metal below iron but above copper in the activity series of metals which has no reaction with water.
