Correct the following statements :
Hydrogen is dried by passing it through conc. `H_2SO_4`.

Correct the following statements : Hydrogen is separated from CO by passing the mixture through caustic potash solution.

Hydrogen bromide is dried by passing the gas through:

Why ammonia gas is not dried by using conc. H_2SO_4 ?

Correct the following statements : Conc. H_2 SO_4 reacts with zinc to liberate hydrogen.

Give reasons : Hydrogen is not prepared by reacting conc H_(2)SO_(4) with Zn

Which one of the following statements is correct when SO_(2) is passed through acidified K_(2)Cr_(2)O_(7) solution?

Which of the following statements for the reaction, is correct ? Na_2CrO_4+H_2SO_4 to

Which of the following statements is // are correct about the following reactions? I. C_(6)H_(12)O_(6)overset(H_(2)SO_(4)(conc))rarr6C+6H_(2)O II. H_(2)SO(dil)+ZnCO_(3)rarrZn^(2+)+CO_(2)+SO_(4)^(2-)+H_(2)O III. H_(2)SO_(4)(dil)+ZnrarrZn^(2+)+H_(2)+SO_(4)^(2-) IV. 5H_(2)SO_(4)(conc)+4ZnrarrH_(2)S+4Zn^(2+)+4SO_(4)^(2-)+4H_(2)O

Which one of the following nitroalkanes will give nitrolic acid with NaNO_2//conc. H_2SO_4

Give balanced equation for the following reaction : Phosphorus reacts with conc. H_2SO_4 .