Stoichiometry and Stoichiometric Calculations MCQ

Test your knowledge with important Stoichiometry and Stoichiometric Calculations MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Stoichiometry and Stoichiometric Calculations MCQs on Bissoy. Bissoy App

• What’s the balanced equation of CO2 + H2O → C6H12O6 + O2?
  ক

  CO2 + H2O → C6H12O6 + O2

  খ

  6 CO2 + 6 H2O → C6H12O6 + 6 O2

  গ

  6 CO2 + 6 H2O → C6H12O6 + 2 O2

  ঘ

  3 CO2 + 2H2O → C6H12O6 + O2
• Find the amount of carbon dioxide produced by the combustion of 20g of methane.
  ক

  44g

  খ

  20g

  গ

  66g

  ঘ

  22g
• In a container, there are 4 moles of nitrogen, 3 moles of oxygen and 7 moles of hydrogen; find out the mole fraction of oxygen in this reaction.
  ক

  0.2143

  খ

  0.2142

  গ

  0.1234

  ঘ

  0.2434
• A solution contains 8 moles of solute and the mass of the solution is 4 kg. What’s the molality of this solution?
  ক

  5 mol/kg

  খ

  8 mol/kg

  গ

  4 mol/kg

  ঘ

  0.5 mol/kg
• Calculate the mass percent of magnesium in the formation of magnesium oxide.
  ক

  0.3

  খ

  1.5

  গ

  0.67

  ঘ

  0.6
• What is the amount of water produced when 8g of hydrogen is reacted with 32g of oxygen?
  ক

  2moles

  খ

  1mole

  গ

  3 moles

  ঘ

  0.5mole
• Which of the given reactions are counted as balanced reactions?
  ক

  H2 + O2 → 2H2O

  খ

  4Al + 3O2 → 2Al2O3

  গ

  Mg(OH)2 + 2HNO3 → 2Mg(NO3)2 + 2H2O

  ঘ

  N2 + 3H2 → NH3
• Which of the following is not true regarding balanced chemical equations?
  ক

  They contain the same number of atoms on each side

  খ

  Electrons are also balanced

  গ

  An equal number of molecules on both the side

  ঘ

  Follows the law of conservation of mass
• In a particular reaction, one of the reactants limits the number of products formed. That is called as _______
  ক

  Limiting reagent

  খ

  Limiting product

  গ

  Excessive reagent

  ঘ

  Excessive reactant