NITRIC ACID GRADE 9

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1 point

Excess air is needed in the Ostwald's Process as-

Air is needed to convert NO to NO2 in the oxidation chamber

catalytic oxidation of ammonia requires a lot of oxygen

Air is needed in all the three chambers of the Ostwald's Process

1 point

Fuming nitric acid is

nitric acid which is 50% pure and can be prepared by lowering the temperature of the reaction mixture

nitric acid which is 68% pure and can be prepared by boiling dilute niric acid

nitric acid which is 98% pure and can be prepared by distilling nitric acid with conc.H2SO4 under reduced pressure

1 point

Nitric Acid is also known as -

Sal Ammoniac

Aqua Fortis

Nitre

Oxymuriatic Acid

1 point

The products of the reaction between nitre and conc.H2SO4 at a temperature less than 200 degree Celsius are-

K2SO4 + HN03

NaHSO4 + HNO3

KHSO4 + HN03

NaHSO4 +HCl

1 point

The chemical formula of Bengal Salt Petre

K2NO3

KNO3

NaNO2

NaNO3

1 point

The reactants of the Ostwald's Process are -

one volume of N2 and one volume of air

one volume of N2 and ten volumes of air

one volume of NO and ten volumes of air

one volume of NH3 and ten volumes of air

1 point

The temperatures in the oxidation chamber and catalytic chamber are -

50 degree Celsius and 800 degree Celsius respectively

100 degree Celsius and 800 degree Celsius respectively

800 degree Celsius and 750 degree Celsius respectively

50 degree Celsius and 200 degree Celsius respectively

1 point

The products formed when sodium carbonate is treated with dilute nitric acid are -

NaNO3 + H2O + CO2

NaNO2 + H2O + CO2

NaNO3 + CO2

Na2O + H2O + CO2

1 point

The temperature in the Oxidation Chamber during the Ostwald's Process is kept low because -

nitric oxide is unstable

low temperatures facilitate easy oxidation of ammonia

nitric acid is unstable and decomposes easily

facilitates easy oxidation of nitric oxide to nitrogen dioxide

10.

1 point

The gases leaving the catalytic chamber are -

Nitric oxide, steam and residual oxygen

Nitric oxide and steam

Ammonia, oxygen and steam

Nitric oxide, Nitrogen dioxide and steam

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