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1. What is the mass of one mole of Iodine Molecules?

2. How many molecules are there in one mole of H²O?

3. The relative atomic mass of Chlorine is 35.5. What is the mass of 2 moles of Chlorine gas?

4. Which one of the following compounds contains the highest percentage by mass of nitrogen

5. A necklace has 6g of diamond in it. What are the numbers of atoms in it?

6. Methane reacts with steam to form H₂ and CO as shown below,

What volume of H₂ can be obtained from 100 cm³ of methane at the standard temperature and pressure?

7. Which of the following statements is incorrect?

8. What volume of SO₂ at room temperature and pressure is produced on heating 9.7g of Zinc Sulphide (ZnS) if reaction takes place as follows
2ZnS(g) + 3O₂(g) → 2ZnO(g) + 2SO₂(g)

9. A flask contains 500 cm³ of SO₂ at STP, The flask contains

10. The reactant which is consumed earlier and gives least quantity of product is called.

11. How many moles of oxygen ate needed for the complete combustion of two moles of butane?

12. Vitamin-A has a molecular formula C₂₀H₃₀ O. The number of vitamin – A molecules in 500 mg of its capsule will be

13. What is the mass of aluminum in 204 g of the aluminum oxide, Al₂O₃

14. The Avogadro’s constant is the number of

15. If four moles of SO₂ are oxidized to SO₃, how many moles of oxygen molecules are required.

16. One mole of ethanol and one mole of ethane have an equal

17. One mole of propane has the same ________.

18. When one mole of each of the following is completely burnt in oxygen, which will give the largest mass of CO₂?

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Punjab 11th Class Chemistry Stoichiometry Mcqs Test Online

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Punjab 11th Class Chemistry Stoichiometry Mcqs Test Online

Chemistry Stoichiometry Mcqs Test Online Class 11th Punjab

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