Chemical Engineering MCQs

Page No. 40

Both white phosphorous as well as red phosphorous_________________?


aAre soluble in CS2


bBurns when heated in air


cReacts with hot caustic soda solution to give Phosphine


dAll A., B., and C.



Which of the following fertilisers is required for the development of fibrous materials of the plants and of the sugar of vegetable & fruits ?


aNitrogenous fertilisers


bPhosphatic fertilisers


c Potassic fertiliser


d None of these



Prilling tower is found in the flowsheet for the manufacture of__________________?


aAmmonia


bUrea


cSuperphosphate


dTriple superphosphate


View Answer Urea

Heating of ortho-phosphoric acid to about 900°C, produces_________________?


aMeta-phosphoric acid


bPyrophosphoric acid


c No change in it


dNone of these


View Answer Meta-phosphoric acid

Ammonium nitrate (a fertiliser) is coated with limestone powder to ____________________?


aIncrease its nitrogen content


bCut down its production cost


cAvoid the risk of explosion


d Add extra nutrient as fertiliser



Main component of bone ash is _________________?


aCalcium sulphate


bCalcium phosphate


cCalcium carbonate


dSodium phosphate


View Answer Calcium phosphate

Which of the following solvents is used for the extraction of H3PO4 from CaCl2 solution during manufacture of ortho-phosphoric acid by wet process employing hydrochloric acid leaching ?


aIsopropyl alcohol


bButyl alcohol


cToluene


d Hexane


View Answer Butyl alcohol

Reaction of calcium Fluorapatite with sulphuric acid produces ___________________?


aOrtho-phosphoric acid


bSimple superphosphate


cTriple superphosphate


dRed phosphorous


View Answer Simple superphosphate

Low grade coal is ______________ to produce ammonia synthesis gas?


aHydrogenated


bLiquefied


cGasified


dDehydrogenated


View Answer Gasified

Main constituent of phosphate rock is_____________________?


aAmmonium phosphate


bFlour apatite


cCalcium fluoride


dCalcium phosphate


View Answer Flour apatite

Goto Page No.

Page 40 of 843

Alphabetical MCQs Categories

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan