Chemistry Stoichiometry Stoichiometric Calculations Online Exam Quiz
Chemistry Stoichiometry Stoichiometric Calculations GK Quiz. Question and Answers related to Chemistry Stoichiometry Stoichiometric Calculations. MCQ (Multiple Choice Questions with answers about Chemistry Stoichiometry Stoichiometric Calculations
Calculate the mass percent of magnesium in the formation of magnesium oxide.
Options
A : 0.3
B : 1.5
C : 0.67
D : 0.6
What is the amount of water produced when 8g of hydrogen is reacted with 32g of oxygen?
Options
A : 2moles
B : 1mole
C : 3 moles
D : 0.5mole
Find the amount of carbon dioxide produced by the combustion of 20g of methane.
Options
A : 44g
B : 20g
C : 66g
D : 22g
A solution contains 8 moles of solute and the mass of the solution is 4 kg. What’s the molality of this solution?
Options
A : 5 mol/kg
B : 8 mol/kg
C : 4 mol/kg
D : 0.5 mol/kg
What’s the balanced equation of CO2 + H2O ? C6H12O6 + O2?
Options
A : CO2 + H2O ? C6H12O6 + O2
B : 6 CO2 + 6 H2O ? C6H12O6 + 6 O2
C : 6 CO2 + 6 H2O ? C6H12O6 + 2 O2
D : 3 CO2 + 2H2O ? C6H12O6 + O2
Which of the given reactions are counted as balanced reactions?
Options
A : H2 + O2 ? 2H2O
B : 4Al + 3O2 ? 2Al2O3
C : Mg(OH)2 + 2HNO3 ? 2Mg(NO3)2 + 2H2O
D : N2 + 3H2 ? NH3
In a particular reaction, one of the reactants limits the number of products formed. That is called as _______
Options
A : Limiting reagent
B : Limiting product
C : Excessive reagent
D : Excessive reactant
Which of the following is not true regarding balanced chemical equations?
Options
A : They contain the same number of atoms on each side
B : Electrons are also balanced
C : An equal number of molecules on both the side
D : Follows the law of conservation of mass
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