

MCQOPTIONS
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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 | |