Chemistry MCQs

Page No. 37

How many electrons are there in benzene to form delocalized electron cloud________________?


a3


b4


c6


d8


View Answer 6

Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?


aTwo


bThree


cFour


dFive


View Answer Three

Addition of 2% gypsum in cement________________?


aTriggers hydration


bTriggers hydrolysis


cPrevents rapid hardening


dall of the above



Which one can form complex ?


aNa


bCr


cLi


dK


View Answer Li

Second ionization potential of alkali metals are very high due to_______________?


abeing s-block elements


binert gas configurations


cns1 electronic configuration


dbeing metals



Magnesium metal does not burn in the vessel containing_______________?


aN2


bO2


cN2 and O2


dNe


View Answer Ne

Sodium is not observed in +2 oxidation state because of its__________________?


ahigh first ionization potential


bhigh second ioniation potential


chigh ionic radius


dhigh electronegativity



Which one of the following pairs shown diagonal relationship in the periodic table ?


aSodium and Lithium


bLithium and magnesium


cLithium and beryllium


dBoron and Beryllium


View Answer Lithium and magnesium

Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?


aLithium


bSodium


cPotassium


dRubidium


View Answer Lithium

Gypsum is applied to the soil as a source of________________?


aCa and P


bS and P


cCa and S


dwe could not apply


View Answer Ca and S

Goto Page No.

Page 37 of 119

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