Explore topic-wise MCQs in Chemical Engineering.

This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

10 grams of NaCl and 1.8 grams of H2O are reacted, how much sodium hydroxide will produce?

A. 4 grams
B. 10 grams
C. 40 grams
D. 80 gramsView answer
Answer» B. 10 grams
2.

5 moles of Al2O3 are reacted with 10 moles H2SO4, how many moles of Al2(SO4)3 will produce?

A. 3.33
B. 10
C. 30
D. 33.3View answer
Answer» B. 10
3.

10 moles of C6H12 reacted with 18 moles of O2, how many moles of CO2 will produce?

A. 3
B. 6
C. 9
D. 12View answer
Answer» E.
4.

If 28 grams of N2 and 10 grams of H2 are reacted, how much NH3 will produce?

A. 17 grams
B. 34 grams
C. 51 grams
D. 54 gramsView answer
Answer» C. 51 grams
5.

4 moles of CO and 2 moles of O2 are reacted, then what type of reactant O2 is?

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentionedView answer
Answer» E.
6.

2 moles of N2 and 8 moles of H2 are reacted, then what type of reactant N2 is?

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentionedView answer
Answer» B. Excess reagent
7.

4 moles of CH4 and 4 moles of O2 are reacted, then what type of reactant CH4 is?

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentionedView answer
Answer» C. Can’t say
8.

4FeS2 + 11O2 -> 2Fe2O3 + 8SO2, what is the extent of reaction if 512 grams of SO2 is produced?

A. 1
B. 2
C. 3
D. 4View answer
Answer» B. 2
9.

H2O2 + H2 -> 2H2O, if the extent of reaction is 10, how much water is produced?

A. 10 moles
B. 20 moles
C. 30 moles
D. 40 molesView answer
Answer» C. 30 moles
10.

CH4 + 2O2 -> CO2 + 2H2O, what is the extent of reaction if only 50% of 96 grams of CH4 is consumed?

A. 1
B. 2
C. 3
D. 4View answer
Answer» D. 4View answer
11.

N2 + 2O2 -> 2NO2, what is the extent of reaction if 6 moles of NO2 is produced?

A. 3
B. 6
C. 12
D. 18View answer
Answer» B. 6
12.

What is extent of reaction of a in the reaction 2CO + O2 -> 2CO2, if 20 moles CO2 is produced?

A. 5
B. 10
C. 20
D. 40View answer
Answer» C. 20
13.

4_MOLES_OF_CO_AND_2_MOLES_OF_O2_ARE_REACTED,_THEN_WHAT_TYPE_OF_REACTANT_O2_IS??$

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentioned
Answer» E.
14.

10 moles of C6H12 reacted with 18 moles of O2, how many moles of CO2 will produce?$

A. 3
B. 6
C. 9
D. 12
Answer» E.
15.

If 28 grams of N2 and 10 grams of H2 are reacted, how much NH3 will produce?$

A. 17 grams
B. 34 grams
C. 51 grams
D. 54 grams
Answer» C. 51 grams
16.

1 mole of potassium permanganate and 1 mole of ferrous sulfide are reacted in presence of excess hydrochloric acid, how many moles of Ferric sulfate will produce?

A. 10/18
B. 5/18
C. 1/18
D. 1/36
Answer» C. 1/18
17.

10 grams of NaCl and 1.8 grams of H2O are reacted, how much sodium hydroxide will produce?

A. 4 grams
B. 10 grams
C. 40 grams
D. 80 grams
Answer» B. 10 grams
18.

5 moles of Al2O3 are reacted with 10 moles H2SO4, how many moles of Al2(SO4)3 will produce?

A. 3.33
B. 10
C. 30
D. 33.3
Answer» B. 10
19.

2 moles of N2 and 8 moles of H2 are reacted, then what type of reactant N2 is?

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentioned
Answer» B. Excess reagent
20.

4 moles of CH4 and 4 moles of O2 are reacted, then what type of reactant CH4 is?

A. Limiting reagent
B. Excess reagent
C. Can’t say
D. None of the mentioned
Answer» C. Can‚Äö√Ñ√∂‚àö√ë‚àö¬•t say
21.

Which of the following is true about excess reagents?

A. Consumes completely
B. Consumes partially
C. Does not react
D. None of the mentioned
Answer» C. Does not react
22.

Which of the following is true about limiting reagents?

A. Consumes completely
B. Consumes partially
C. Does not react
D. None of the mentioned
Answer» B. Consumes partially
23.

4FeS2 + 11O2 -> 2Fe2O3 + 8SO2, what is the extent of reaction if 512 grams of SO2 is produced?

A. 1
B. 2
C. 3
D. 4
Answer» B. 2
24.

H2O2 + H2 -> 2H2O, if the extent of reaction is 10, how much water is produced?

A. 10 moles
B. 20 moles
C. 30 moles
D. 40 moles
Answer» C. 30 moles
25.

CH4 + 2O2 -> CO2 + 2H2O, what is the extent of reaction if only 50% of 96 grams of CH4 is consumed?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
26.

N2 + 2O2 -> 2NO2, what is the extent of reaction if 6 moles of NO2 is produced?

A. 3
B. 6
C. 12
D. 18
Answer» B. 6
27.

What is extent of reaction of a in the reaction 2CO + O2 -> 2CO2, if 20 moles CO2 is produced?

A. 5
B. 10
C. 20
D. 40
Answer» C. 20