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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
उत्तर
Iron - 3Fe + 4H2O ⇌ Fe3O4+ 4H2 [g]
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संबंधित प्रश्न
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In electrolysis of water, dilute sulphuric acid is added to increase ..................of water.
Hydrogen gas is collected by the downward displacement of water. Give reason ?
Which metal is preferred for the preparation of hydrogen?
from water?
What is noticed if the products are not allowed to escape?
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
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?
Why are the following metals not used in the lab. preparation of hydrogen?
sodium
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Complete and balance the following reaction.
Al + H2SO4 →_____________ +___________
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
