Class 9 Chemistry MCQs - Chapter 2

Electrochemistry MCQ (Multiple Choice Questions) PDF - 6

Books:

Apps:

Free Electrochemistry Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Electrochemistry MCQ PDF Book), test 6 to learn online class 9 chemistry certificate courses. Study Electrochemical Industries Multiple Choice Questions and Answers (MCQs) PDF, electrochemistry quiz questions and answers for online certificate programs. Free educational App: Electrochemistry MCQ App Download & e-Book for electrochemical industries, oxidation and reduction, electrochemical cells test prep for distance education.

The MCQs: In chromium plating, few drops of Sulphuric acid are added to the electrolyte to prevent; "Electrochemistry" App Download Android & iOS (Free) with answers reduction, oxidation, hydrolysis and sublimation for online certificate programs. Practice electrochemical industries quiz questions, download Apple Book (Free Sample) for school certificate.

Electrochemistry Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: In chromium plating, few drops of Sulphuric acid are added to the electrolyte to prevent

A) oxidation

B) reduction

C) hydrolysis

D) sublimation

MCQ 27: The electrodes used in the production of sodium metal are

A) iron cathode and graphite anode

B) sodium cathode and carbon anode

C) aluminum cathode and fluoride anode

D) aluminum cathode and sodium anode

MCQ 28: In thermal power stations, carbon atoms undergo oxidation to form

A) CO₂

B) CO

C) H₂O

D) O₂

MCQ 29: Electrolytes convert electricity in

A) solid state

B) liquid state

C) gaseous state

D) plasma state

MCQ 30: A concentrated aqueous solution of sodium chloride is called

A) aqueous solution

B) salt solution

C) brine

D) lemonade

Class 9 Chemistry Mock Tests

Fundamentals of Chemistry MCQs

Solutions MCQs

Electrochemistry MCQs

Structure of Molecules MCQs

Physical States of Matter MCQs

Chemical Reactivity MCQs

Structure of Atoms MCQs

Periodic Table and Periodicity MCQs

Electrochemistry Learning App & Free Study Apps

Download Electrochemistry MCQ App to learn Electrochemistry MCQs, 9th Grade Chemistry Learning App, and O Level Chemistry MCQs Apps. Free "Electrochemistry MCQ" App to download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!