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प्रश्न
Which metal is preferred for collecting hydrogen from:
Write the balanced equation
Hot water
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उत्तर
Hot water: Magnesium
Mg(s) + 2H2O(l) → Mg(OH) 2(s) + H2(g)
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संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties:
It displaces hydrogen from hot water.
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Give an equation.
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Select the odd one out and justify your answer.
SO2, H2S, NH3, and CO3
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
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Hydrogen chloride and hydrogen sulphide
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
