Chemistry Mole & Stoichiometry Quiz Online

Chemistry mole & stoichiometry concepts are essential to learning for every level in chemistry courses. Here, we have compiled many chemistry mole and stoichiometry quizzes free for students of grades 11 and 12. We hope you will find this very useful for your regular exam preparations and entry tests at undergraduate levels, particularly for medical and engineering students (MDCAT, ECAT, NUST, NUMS, JEE, NEET).
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Results

#1. When 0.01 Kg Of CaCO3 Is Decomposed, The CO2 Produced Occupies A Volume At S.T.P.

22.414 Dm3

22.414 Dm3

224014 Dm3

224014 Dm3

2.2414 Dm3

2.2414 Dm3

22414 Dm3

22414 Dm3

#2. The No. Of Covalent Bond In 10gm Of NH3 Are

1.062 X 1024

1.062 X 1024

6.022 X 1023

6.022 X 1023

1.062 X 1023

1.062 X 1023

10.62 X 1024

10.62 X 1024

#3. No. Of Molecules Present In 10gm Of Water Are

3.37 X 1024

3.37 X 1024

33.7 X 1023

33.7 X 1023

3.037 X 1024

3.037 X 1024

3.37 X 1023

3.37 X 1023

#4. The No. Of Covalent Bonds Present In 10gm Of Water Are

6.074 X 1024

6.074 X 1024

6.74 X 1024

6.74 X 1024

6.074 X 1023

6.074 X 1023

6.74 X 1023

6.74 X 1023

#5. The Least No. Of Molecules Present In 30 gm. Of

N2O

N2O

NO2

NO2

NO

NO

N2O3

N2O3

#6. Which Of The Following Has Highest Percentage Of Nitrogen

(NH4)3PO4

(NH4)3PO4

(NH4)2HPO4

(NH4)2HPO4

(NH4)2SO4

(NH4)2SO4

NH4H2PO4

NH4H2PO4

#7. 0.1 Mole Of Na3PO4 Completely Dissociates In Water To Produce Na+

1.806 X 1022

1.806 X 1022

1.806 X 1023

1.806 X 1023

6.02 X 1022

6.02 X 1022

6.02 X 1023

6.02 X 1023

#8. Efficiency Of Chemical Reaction Can Be Checked By Calculating

Amount Of The Product Formed

Amount Of The Product Formed

Amount Of Limiting Reactant

Amount Of Limiting Reactant

Amount Of The Reactant In Excess

Amount Of The Reactant In Excess

Amount Of The Reactant Unused

Amount Of The Reactant Unused

#9. A Limiting Reactant Is One

Which Is Present In Least Amount

Which Is Present In Least Amount

Which Produces Minimum No. Of Moles Of Product

Which Produces Minimum No. Of Moles Of Product

Does Not Affect The Amount Of Product

Does Not Affect The Amount Of Product

Which Produces Maximum No. Of Moles Of Product

Which Produces Maximum No. Of Moles Of Product

#10. Stoichiometry Is The Branch Of Chemistry Which Deals With The Study Of Quantitative Relationship Among The Various

All Of Above

All Of Above

Reactants and Products

Reactants and Products

Products

Products

Reactants

Reactants

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