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प्रश्न
Complete and balance the equation:
[General method]
Reactions of metals with steam
Aluminium - 2Al + 3H2O → ______+ _______ [g]
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उत्तर
Aluminium - 2Al + 3H2O → Al2O3 + 3H2 [g]
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संबंधित प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
What is noticed if the products are not allowed to escape?
For laboratory preparation of hydrogen, give the following:
method of collection
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Choose the correct option:
Elements which show unique nature in the preparation of hydrogen are:
How did the name 'hydrogen' originate?
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
A white substance which leaves an amphoteric oxide as a residue [whose colour varies in the heated and in the cold state] and evolves a gas which turns lime water milky.
On heating which of the following substances i.e. copper carbonate, zinc carbonate, washing soda, copper sulphate, zinc nitrate, copper nitrate, lead nitrate, ammonium chloride and ammonium dichromate – relate to the reaction given below.
An efflorescent substance which leaves a residue having the same colour as the substance and evolves a gas which changes the colour of cobalt chloride paper.
Complete and balance the equation:
[General method]
Reactions of metals with steam
Magnesium - Mg + H2O → ______+ _______ [g]
Give a balanced equation for obtaining hydrogen from?
Steam using a trivalent metal
