Chemical Engineering MCQs

Page No. 5

Nitrolime is___________________?


aCalcium nitrate


bCalcium ammonium nitrate


cA mixture of nitric acid and lime


dA mixture of ammonium nitrate and calcium nitrate



Tricresyl phosphate is chemically represented as___________________?


a(CH3 C6 H4)3 PO4


bCa10(PO4)3F6


c(NH4)2HPO4


dNH4H2PO4


View Answer (CH3 C6 H4)3 PO4

Ammonium nitrate is___________________?


aHaving about 40% N2


bNot hygroscopic


c Not prone to explosive thermal decomposition


dMixed with limestone powder to reduce its explosive nature before using it as a fertilizer



____________ catalyst is used in the production of urea from CO2 and NH3?


aVanadium pentoxide


bNo


c Alumina


dNickel


View Answer No

Triple superphosphate is made by reacting phosphate rock with _____________ acid?


aPhosphoric


bNitric


cSulphuric


dHydrochloric


View Answer Phosphoric

The most suitable fertiliser for accelerating seeding or fruit formation in later stages of plant growth is _____________ fertiliser?


aNitrogenous


b Phosphatic


cPotassic


dNone of these


View Answer Phosphatic

Which one of the following is used as a nitrogenous fertiliser, as a weed killer in the onion fields and for correcting acidic soils ?


aUrea


bCAN


cAmmonium sulphate


dCalcium cyanamide


View Answer Calcium cyanamide

Catalytic ammonia synthesis reaction as in Haber’s process is_________________?


aEndothermic


bExothermic


cIrreversible


dNone of these


View Answer Exothermic

H4P2O7 is the chemical formula of _____________ phosphoric acid?


aPyro


bOrtho


cMeta


dNone of these


View Answer Pyro

-10-5 fertilisers mean that they contain______________?


a5, 10, 5% respectively of N2, P2O5 and K2O


b Only 5 to 10% active fertiliser constituents


c5 to 10% filler & carrier of soil conditioners


dNone of these



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