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Class 11 Chemistry Practice Test: Basic Concepts of Chemistry - Stoichiometry and Stoichiometric Calculations
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Stoichiometry is the calculation of products and reactants in a chemical reaction. In Greek, stoikhein means element and metron means measure, so stoichiometry literally translated means the measure of elements.

Class 11 Chemistry Practice Test: Basic Concepts of Chemistry - Stoichiometry and Stoichiometric Calculations
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10 Questions

1. Calculate the mass percent of magnesium in the formation of magnesium oxide.
2. What is the amount of water produced when 8g of hydrogen is reacted with 32g of oxygen?
3. In a particular reaction, one of the reactants limits the number of products formed. That is called as _______
4. Find the amount of carbon dioxide produced by the combustion of 20g of methane.
5. 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.
6. Which of the following is not true regarding balanced chemical equations?
7. A and B are two solutions that are mixed. Calculate the resultant solution’s molarity.
Initial SolutionsMolarityVolume
A1.3100ml
B0.8500ml
8. What’s the balanced equation of CO2 + H2O → C6H12O6 + O2?
9. A solution contains 8 moles of solute and the mass of the solution is 4 kg. What’s the molality of this solution?
10. Which of the given reactions are counted as balanced reactions?

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