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प्रश्न
Select the correct options for the following statement:
The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
विकल्प
dil.H2SO4
dil. HNO3
dil. HCl
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उत्तर
The acid dil. HNO3 is not used in the laboratory preparation of hydrogen, using zinc and an acid.
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संबंधित प्रश्न
A metal ______ hydrogen in the reactivity series gives hydrogen with ______.
Name the following:
Two metals which give hydrogen with cold water.
How do different metals displace hydrogen from water? Explain with the help of equations.
Which metal is preferred for the preparation of hydrogen?
from acid?
Hydrogen can be prepared with the help of cold water. Give a reaction of hydrogen with:
A divalent metal
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
Which of the acids dilute sulphuric, concentrated sulphuric, dilute nitric acid and concentrated nitric acid would you choose? Explain why you would not use the acids you reject.
Starting from hydrogen gas how would you obtain a neutral liquid.
Complete and balance the equation:
[General method]
Reactions of active metals - cold water
Sodium - 2Na + 2H2O → ______+ _______ [g]
Name an element whsich reacts violently with water at room temperature.
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
