Explore topic-wise MCQs in Chemical Process Calculation.

This section includes 17 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.

__________ is mass of a particular substance divided by the total mass of all the substances present in the mixture or solution.

A. Molecular weight
B. Weight fraction
C. Atomic weight
D. Mole fraction
Answer» C. Atomic weight
Discussion
2.

_____________ is the number of moles of a particular substance in a mixtures or solution divided by the total number of moles present in the mixture or solution.

A. Molecular weight
B. Average molecular weight
C. Atomic weight
D. Mole fraction
Answer» E.
Discussion
3.

How many molecules are there in 4*10-3 lb moles of carbon?

A. 12.044 *1023
B. 12.044 *1026
C. 12.044 *1029
D. 12.044 *1022
Answer» B. 12.044 *1026
Discussion
4.

The molecular weight of a compound is nothing more than the sum of the weights of atoms of which it is composed.The above given statement is

A. Correct
B. Incorrect
C. The definition should be more proper
D. None of the mentioned
Answer» B. Incorrect
Discussion
5.

A vessel contains 4 lb of H2SO4.1. How much pound mole of H2SO4 is there in the vessel?

A. 0.0408
B. 18.53
C. 0.0816
D. None of the mentionedView Answer
Answer» B. 18.53
Discussion
6.

___________IS_MASS_OF_A_PARTICULAR_SUBSTANCE_DIVIDED_BY_THE_TOTAL_MASS_OF_ALL_THE_SUBSTANCES_PRESENT_IN_THE_MIXTURE_OR_SOLUTION.?$

A. Molecular weight
B. Weight fraction
C. Atomic weight
D. Mole fraction
Answer» C. Atomic weight
Discussion
7.

______________IS_THE_NUMBER_OF_MOLES_OF_A_PARTICULAR_SUBSTANCE_IN_A_MIXTURES_OR_SOLUTION_DIVIDED_BY_THE_TOTAL_NUMBER_OF_MOLES_PRESENT_IN_THE_MIXTURE_OR_SOLUTION.?$

A. Molecular weight
B. Average molecular weight
C. Atomic weight
D. Mole fraction
Answer» E.
Discussion
8.

___________is_mass_of_a_particular_substance_divided_by_the_total_mass_of_all_the_substances_present_in_the_mixture_or_solution.$

A. Molecular weight
B. Weight fraction
C. Atomic weight
D. Mole fraction
Answer» C. Atomic weight
Discussion
9.

_____________ is the number of moles of a particular substance in a mixtures or solution divided by the total number of moles present in the mixture or solution?

A. Molecular weight
B. Average molecular weight
C. Atomic weight
D. Mole fraction
Answer» E.
Discussion
10.

How many molecules are there in 4*10-3 lb moles of carbon?

A. 12.044 *10<sup>23</sup>
B. 12.044 *10<sup>26</sup>
C. 12.044 *10<sup>29</sup>
D. 12.044 *10<sup>22</sup>
Answer» B. 12.044 *10<sup>26</sup>
Discussion
11.

The molecular weight of a compound is nothing more than the sum of the weights of atoms of which it is composed.

A.
B. Correct
C. Incorrect
Answer» B. Correct
Discussion
12.

The __________ of an element is the mass of an atom based on the scale that assigns a mass of exactly 12 to the carbon isotope 12C .

A. Molecular weight
B. Average molecular weight
C. Atomic weight
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
13.

A pseudo molecular weight computed by dividing the mass in a mixture or solution by the number of moles in the mixture or solution is called

A. Molecular weight
B. Average molecular weight
C. Atomic weight
D. None of the mentioned
Answer» C. Atomic weight
Discussion
14.

Mass of a compound per mole is _________

A. Mole
B. Molecular weight
C. Mole fraction
D. None of the mentioned
Answer» C. Mole fraction
Discussion
15.

How many pounds of NaOH are in 15 g mole of NaOH?

A. 1.32
B. 2.64
C. 3.96
D. 5.28
Answer» B. 2.64
Discussion
16.

How much gram mole of H2SO4 is there in the vessel?

A. 18.53
B. 0.0408
C. 18.53
D. None of the mentioned
Answer» B. 0.0408
Discussion
17.

A vessel contains 4 lb of H2SO4.

A.
B. 0.0408
C. 18.53
Answer» B. 0.0408
Discussion