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प्रश्न
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
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उत्तर
Mg + 2H2O → Mg(OH)2 + H2
Mg + H2O →MgO + H2
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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.
Give an equation to express the reaction between:
Steam and red hot iron
Thin strips of magnesium, copper, and iron are taken.
Write down what happens when these metals are treated as follows:
- Heated in presence of air
- Heated with dil.HCl
- Added to an aqueous solution of zinc sulphate.
Which metal is preferred for collecting hydrogen from steam? Write the balanced equation for the case.
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
What do you observe when dilute sulphuric acid is added to Zinc granules.
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
Name the following.
A metal which cannot be used for the preparation of hydrogen using dilute acids.
