Explore topic-wise MCQs in Chemical Process Calculation.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Process Calculation knowledge and support exam preparation. Choose a topic below to get started.

1.

8-10. NaOH is there in a test tube,
8. What is the mass fraction of Na in the sample?

A. 0.575
B. 0.85
C. 1.25
D. 2.28
Answer» B. 0.85
Discussion
2.

Two students are calculating the average weight of a gas, containing N2 and other gases. Student-1 takes the actual molecular weight of N2(28) and student-2 takes it wrong N2(14). The calculated molecular weights by both of them are 36.8 and 31.2 respectively.
What is the percentage of N2 in the mixture?

A. 5%
B. 10%
C. 15%
D. 20%
Answer» C. 15%
Discussion
3.

5-6. Consider a gas contains N2(70%), O2(25%) and SO2(5%).
5. What is the composition of the gase N2 on an SO2-free basis?

A. 0.78
B. 0.22
C. 0.70
D. 0.25
Answer» B. 0.22
Discussion
4.

What is the mole fraction of Na atom in NaOH molecule?

A. 0.33
B. 0.66
C. 0.575
D. 1.150
Answer» D. 1.150
Discussion