The catalyst used in Bosch process of manufacture of H2 is:

(a) finely divided Ni

(b) V2O5

(c) Pd

(d) Fe2O3 + Cr2O3

Concept Questions :-

Preparation & Properties
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An aqueous solution of hydrogen peroxide is:

(a) alkaline

(b) neutral

(c) strongly acidic

(d) weakly acidic

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Which reactions shows oxidising nature of H2O2?

(a) H2O2 + KI           2KOH + I2

(b) Cl2 + H2O2           2HCl + O2

(c) H2O2 + Ag2O            2Ag + H2O + O2

(d) NaClO + H2O2           NaCl + H2O + O2

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Which one is correct for perhydrol?

(a) It is 30% H2O2 or 100 vol. H2O2

(b) Its molarity is 8.8 M

(c) It is used as antiseptic and germicide

(d) All of the above

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The ortho and para hydrogen possess:

(a) same physical properties but different chemical properties

(b) different physical properties but same chemical properties

(c) same chemical and physical properties

(d) different physical and chemical properties

Concept Questions :-

Di-Hydrogen,type and isotopes
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On bubbling CO2 through a solution of barium peroxide in water:

(a) O2 is formed

(b) H2CO3 is formed

(c) H2O2 is formed

(d) H2 is formed

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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A mixture of hydrazine and 60 to 90 percent of H2O2 solution is:

(a) antiseptic

(b) rocket fuel

(c) germicide

(d) insecticide

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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Temporary hardness is caused due to the presence of:

(a) CaSO4

(b) CaCl2

(c) CaCO3

(d) Ca(HCO3)2

Concept Questions :-

Hard & Soft Water
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H2O2 is prepared in the laboratory when:

(a) MnO2 is added to dilute cold H2SO4

(b) BaO2 is added to CO2 bubbling through cold water

(c) PbO2 is added to an acidified solution of KMnO4

(d) Na2O2 is added to boiling water

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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H2O2 acts as a reducing agent in its:

(a) reaction with a ferrous salt

(b) reaction with iodides

(c) reaction with lead sulphide

(d) reaction with KMnO4 in acidic medium

Concept Questions :-

H2O2 (Hydrogen Peroxide)
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