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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
उत्तर
Aluminium - 2Al + 3H2SO4 → Al2(SO4)3 + 3H2 [g]
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संबंधित प्रश्न
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Why are the following metals not used in the lab. preparation of hydrogen?
aluminium
Complete and balance the following reaction.
Ca + H2O →_____________ +___________
Starting from hydrogen gas how would you obtain a basic gas.
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Aluminium - 2Al + 2NaOH + 2H2O → ______ + _______ [g]
2Al + 2KOH + 2H2O → _____ + _____ [g]
Name an element whsich reacts violently with water at room temperature.
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen sulphide
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
