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प्रश्न
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
उत्तर
Mg + 2H2O → Mg(OH)2 + H2
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संबंधित प्रश्न
Fill in the blank
Hydrogen is ...................soluble in water.
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
FILL IN THE BLANK
........................... means ‘maker of water’ in Greek.
TRUE \ FALSE
reacts with hot water to form copper oxide and hydrogen.
Why nitric acid is not used in the preparation of hydrogen?
Choose the correct option:
Elements which show unique nature in the preparation of hydrogen are:
Select the correct options for the following statement:
The metal which reacts with steam liberating hydrogen & the reaction is reversible.
Complete and balance the equation:
[General method]
Reactions of metals with dilute acids
Iron - Fe + 2HCl → ______ + _______ [g]
Complete and balance the equation:
[General method]
Reactions of metals - alkali [conc. soln.]
Lead - Pb + 2NaOH → ______ + _______ [g]
State the reactant added to hydrogen to obtain the respective product in following case.
Hydrogen chloride
