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प्रश्न
For laboratory preparation of hydrogen, give the following:
chemical equation
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उत्तर
\[\ce{Zn + 2HCl -> ZnCl2 + H2\uparrow}\]
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
Complete the following word equation:
Sodium hydroxide + zinc → hydrogen + _________
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Give reason for the following:
Purified and dried hydrogen is collected over mercury.
Complete and balance the following reaction.
Zn + H2O →_____________ +___________
Starting from hydrogen gas how would you obtain a basic gas.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with steam
Iron - 3Fe + 4H2O ⇌ ______+ _______ [g]
Name an element whsich reacts violently with water at room temperature.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
