Explore topic-wise MCQs in Engineering Chemistry Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Silver is electrodeposited on a metallic vessel of surface area 800 cm2 by passing a current of 0.2 A for 3 hours. The thickness of silver deposited is ____________

A. 0.1 mm
B. 0.02 mm
C. 0.05 mm
D. 0.2 mm
Answer» C. 0.05 mm
Discussion
2.

According to Faraday’s second law, the weights of different substances evolved by the passage of the same quantity of electricity are proportional to their _______________

A. Chemical equivalent weight
B. Current supply
C. Chemical equivalent density
D. Volume
Answer» B. Current supply
Discussion
3.

According to Faraday’s first law of electrolysis, the amount of any substance deposited at the electrode is directly proportional to the quantity of _______________

A. Voltage drop
B. Resistance
C. Electricity passed
D. Tolerance
Answer» D. Tolerance
Discussion