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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Aluminium - 2Al + 3H2SO4 → ______+ _______ [g]
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उत्तर
Aluminium - 2Al + 3H2SO4 → Al2(SO4)3 + 3H2 [g]
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
How do different metals displace hydrogen from water? Explain with the help of equations.
Which metal is preferred for the preparation of hydrogen?
from acid?
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Give reason:
A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.
State the electronic configuration of hydrogen [at. no. 1].e
Give a reason why hydrogen can be placed in group 1 [1A] and group 17 [VIIA] of the periodic table.
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Fe3O4 + H2}\]
Give a balanced equation for the following conversion.
\[\ce{MgCl2<-HCl->FeCl2}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
