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प्रश्न
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Calcium - Ca + H2O → ______+ _______ [g]
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उत्तर
Calcium - Ca + 2H2O → Ca[OH]2 + H2 [g]
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संबंधित प्रश्न
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
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
Starting from hydrogen gas how would you obtain a neutral liquid.
Select the correct options for the following statement:
The metallic compound formed when a metal above aluminium in the activity series reacts with steam.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Zinc - Zn + 2HCl → ______ + _______ [g]
State why hydrogen is not prepared in the laboratory by the action of sodium with cold water.
State the condition and give balanced equation for the conversion of water gas to hydrogen – in the Bosch process.
State the reactant added to hydrogen to obtain the respective product in following case.
Water
