Explore topic-wise MCQs in Engineering Chemistry.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Discharge difficulty is highest in _____________________

A. Calcium ions
B. Copper ions
C. Lead ions
D. Silver ions
Answer» B. Copper ions
2.

What happens if molten Lead Bromide (PbBr2) is electrolyzed?

A. At anode, brown fumes of bromide gas are given off
B. At anode, molten lead can be seen
C. At cathode, brown fumes can be seen
D. At cathode, lead bromide can be seen
Answer» B. At anode, molten lead can be seen
3.

Reactivity series of metals is called as the __________________________

A. Preferential series
B. Electrochemical series
C. Electrolytic series
D. Selective discharge series
Answer» C. Electrolytic series
4.

Electroplating of chromium helps in preparing of ____________________

A. Car bumpers
B. Saucepans
C. Cutlery
D. Watches
Answer» B. Saucepans
5.

Saucepans can be prepared through electrolysis of __________________

A. Nickel
B. Galvanized zinc
C. Chromium
D. Copper
Answer» E.
6.

What is a nickel strike?

A. Nickel deposition
B. Nickel coating
C. Nickel Plating
D. Nickel melting
Answer» B. Nickel coating
7.

The process of modifying a metal’s properties is called _________________

A. Electrolysis
B. Electro deposition
C. Electro less plating
D. Electroplating
Answer» C. Electro less plating
8.

Which of the following is not an application of electroplating?

A. Decorative purposes
B. Coating of metal
C. Metal protection
D. Corrosion prevention
Answer» E.
9.

What is the main principle of electroplating?

A. Hydrolysis
B. Neutralization
C. Esterification
D. Saturation
Answer» B. Neutralization