Stoichiometry MCQs : This section focuses on the "Stoichiometry" in Basic Chemical Engineering. These Multiple Choice Questions (MCQ) should be practiced to improve the Basic Chemical Engineering skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Stoichiometry is founded on the law of conservation of ________.
A. pressure
B. volumn
C. mass
D. energy
Question 2
The term stoichiometry was first used by Jeremias Benjamin Richter in?
A. 1790
B. 1792
C. 1794
D. 1796
Question 3
Gas stoichiometry deals with reactions involving gases.
A. Yes
B. No
C. Can be Yes Or No
D. Can not say
Question 4
50 grams of CaCO3 is heated, how much calcium oxide will produce?
A. 22 gram
B. 25 gram
C. 28 gram
D. 30 gram
Question 5
40 grams of NaOH is reacted with excess HCl, how much NaCl will it produce?
A. 29.25 grams
B. 234 grams
C. 117 grams
D. 58.5 grams
Question 6
Which of the following is true about excess reagents?
A. Consumes completely
B. Consumes partially
C. Does not react
D. None of the mentioned
Question 7
What is extent of reaction of a in the reaction 2CO + O2 -> 2CO2, if 40 moles CO2 is produced?
A. 5
B. 10
C. 15
D. 20
Question 8
Stoichiometry can also be used to find the quantity of a product yielded by a reaction
A. Yes
B. No
C. Can be Yes Or No
D. Can not say
Question 9
A stoichiometric reactant is a reactant that is consumed in a reaction, as opposed to a catalytic reactant.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Question 10
C2H4 + xO2 -> 2CO2 + yH2O, what is the value of x + y?
A. 2
B. 3
C. 5
D. 7