Chemistry MCQs

Page No. 118

Which of the following is not a macromolecule ?


asand

✖


bhaemoglobin

✖


cdiamond

✖


dmaltose

✓


View Answer maltose

Percentage of calcium in calcium carbonate is___________________?


a80%

✖


b30%

✖


c40%

✓


d20%

✖


View Answer 40%

How many isotopes have odd atomic number ?


a154

✖


b280

✖


c86

✓


d300

✖


View Answer 86

The number of moles of CO2 which contains 16 g of oxygen is__________________?


a0.25

✖


b0.5

✓


c0.75

✖


d1

✖


View Answer 0.5

The volume occupied by 2.8 g of N2 at STP______________________?


a2.24 dm3

✓


b22.4 dm3

✖


c1.12 dm3

✖


d112 dm3

✖


View Answer 2.24 dm3

Which one of the following has the maximum number of isotopes ?


aoxygen

✖


bcarbon

✖


ctin

✓


dchlorine

✖


View Answer tin

Moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?


a0.18 mole

✓


b0.27 mole

✖


c0.24 mole

✖


d0.09 mole

✖


View Answer 0.18 mole

Which of the following terms is not used for ionic compound ?


aformula unit

✖


bempirical formula

✖


cmolecular formula

✓


dformula mass

✖


View Answer molecular formula

The number of isotopes of elements with even mass number and even atomic number are ________________?


a280

✖


b300

✖


c154

✓


d54

✖


View Answer 154

One mole of CO2 contains?


a6.022 x 1023 atoms of oxygen

✖


b22-gram electrons

✖


c6.022 x 1023 atms of carbon

✖


dboth B. & C.

✓


View Answer both B. & C.

Goto Page No.

Page 118 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