CHEMISTRY MCQ

 

Chemistry Objective (Multiple Choice) General Knowledge Questions & Answers for SSC-CGL, UPPSC, UPSC, NDA, CDS and UPSC Civil Services Prelims Examination.

CHEMISTRY   MCQ  

Part - 2 

1.Choose the correct about Methyl Orange as an indicator?

[A] It turns red in acidic medium and green in basic medium

[B] It turns colourless in acidic medium and yellow in basic medium

[C] It turns red in acidic medium and yellow in basic medium

[D] It turns colourless in acidic medium and red in basic medium

2.The cell constant does not depend on which of the following?Chemistry-themed clothingChemistry online courses

[A] distance between the electrodes

[B] area of cross-section of electrodes

[C] nature of electrolyte

[D] None of the above

3.What is the reason for the presence of the vast number of organic compounds in nature?

[A] Carbon exists in free state

[B] Catenation property of carbon

[C] Low atomic mass of carbon

[D] None of the above

4.Ethanoic acid is the main constituent of which of the following substances?

[A] Soap

[B] Vinegar

[C] Wine

[D] Curd

5.Which of the following compounds can be made by blowing ozone at dry ice?

[A] Carbonic acid

[B] Carbon dioxide

[C] Carbon trioxide

[D] Methane

Also read : CHEMISTRY MCQ https://www.knowlege.in/2025/03/chemistry-mcq.html

6.What is the bond length in C=C bond?

[A] 1.00 angstroms

[B] 1.11 angstroms

[C] 1.34 angstroms

[D] 1.55 angstroms

7.Which of the following monomers produce Buna-n polymer?

[A] two parts of butadiene and styrene

[B] four parts of butadiene and one part of isobutylene

[C] two parts of butadiene and one part of acrylonitrile

[D] None of the above

8.Which is the most malleable metal?

[A] Copper

[B] Silver

[C] Gold

[D] Aluminium

Also read : PHYSICS MCQ https://www.knowlege.in/2025/03/physics-mcq.html

9.Which of the following detergents represent the liquid dishwashing detergents?

[A] Anionic

[B] Cationic

[C] Non-ionic

[D] None of the above

10.Which law validates the statement- “Matter can neither be created nor be destroyed”?

[A] Avagadro’s law

[B] Law of conservation of mass

[C] Law of conservation of energy

[D] Law of osmosis