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प्रश्न
Complete and balance the following reaction.
Al + H2SO4 →_____________ +___________
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उत्तर
2Al + 3H2SO4 →Al2(SO4)3 + 3H2
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संबंधित प्रश्न
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........................... means ‘maker of water’ in Greek.
TRUE \ FALSE
Hydrogen does not combine with nitrogen under ordinary conditions.
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
How do different metals displace hydrogen from water? Explain with the help of equations.
For laboratory preparation of hydrogen, give the following:
chemical equation
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the metals copper, zinc, magnesium or sodium would be the most suitable?
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Ca(OH)2 + H2}\]
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
