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Question
Correct the following statement:
Hydrogen is separated from CO by passing the mixture through caustic potash solution.
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Solution
Hydrogen is separated from CO2 by passing the mixture through caustic potash solution.
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Multiple Choice Question
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A monovalent metal
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Ca + H2O →_____________ +___________
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The acid _____ is not Used in the laboratory preparation of hydrogen, using zinc and an acid.
Complete and balance the equation:
[General method]
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Reactions of metals - alkali [conc. soln.]
Aluminium - 2Al + 2NaOH + 2H2O → ______ + _______ [g]
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\[\ce{Fe3O4 + H2}\]
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\[\ce{KAlO2<-KOH->K2ZnO2}\]
Give a balanced equation for the following conversion.
\[\ce{CO + H2<-H2O->CO2 + H}\]
