Chemistry Stoichiometry Mcqs Test Online Class 11th Punjab

Please wait...

• <<
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• >>

 0%

Question 1 of 18

Chemistry

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

Diamond

Methane

Ethane

Carbon Monoxide

Question 1 of 18

Question 2 of 18

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

74 g

106 g

254 g

127 g

Question 2 of 18

Question 3 of 18

3. 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)

2.4 dm³

1.2 dm³

None of these

3.6 dm³

Question 3 of 18

Question 4 of 18

4. Which of the following statements is incorrect?

1 dm³ of a 1.0 Mole dm³ solution of NaCl contains one mole of Chloride ions

28g of Nitrogen gas contains one mole of molecules of N2

None of these

12g of Carbon gas contains one mole of atoms

Question 4 of 18

Question 5 of 18

5. 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?

 

300 cm³

200 cm³

100 cm³

150 cm³

Question 5 of 18

Question 6 of 18

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

10

13

8

2

Question 6 of 18

Question 7 of 18

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

Reactant

Limiting reactant

Stoichiometric amount

Stoichiometry

Question 7 of 18

Question 8 of 18

8. The Avogadro’s constant is the number of

Atoms in 1g of Helium

Molecules in 35.5g of Chloride

Atoms in 24g of Mg

Electrons needed to deposit 24g of Mg

Question 8 of 18

Question 9 of 18

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

26 g

108 g

27 g

54 g

Question 9 of 18

Question 10 of 18

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

Number of Atoms

Mass

Number of electron

Number of molecules

Question 10 of 18

Question 11 of 18

11. One mole of propane has the same ________.

Number of molecules as one mole of methane (CH₄)

Mass as half a mole of hexane (C₅H₁₄)

Number of C-atoms as in one mole of butane (C₄H₁₀)

Number of molecules as in one mole of ethane (C₂H₆)

Question 11 of 18

Question 12 of 18

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

0.5

1.0

2.0

1.5

Question 12 of 18

Question 13 of 18

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

NH₃

NH₄OH

NO

N₂H₄

Question 13 of 18

Question 14 of 18

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

35.5g

71g

18.75g

142g

Question 14 of 18

Question 15 of 18

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

1.003x10²³

12.04x10²³

3.01x10²³

6.02x10²³

Question 15 of 18

Question 16 of 18

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

None of these

50 g

40 g

100 g

Question 16 of 18

Question 17 of 18

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

3.01x10²²

None of these

1.05x10²³

6.02x10²³

Question 17 of 18

Question 18 of 18

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

1.084x10¹⁸

None of these

6.023x10²³

6.023x10¹⁹

Question 18 of 18

 Loading...

 

Other Related test

• Punjab 9th Class Computer Science Chapter 1 Fundamentals of Computer Mcqs Test Online
• Punjab 10th Class Physics Chapter 9 Atomic and Nuclear Physics Mcqs Test Online
• Punjab 12th Class Chemistry Chapter 3 Group III-A and Group IV-A Elements MCQs Test Online
• Punjab 11th Class Biology Form and Functions in Plants Mcqs Test Online
• Punjab 9th Class English Model Paper 7 MCQs Test Online
• Punjab 10th Class Pak Study Chapter 3 Economic Development Mcqs Test Online
• Punjab 12th Class Chemistry d and f Block Elements Mcqs Test Online
• Punjab 11th Class Urdu Pakistani Qomiat Ka Masla Mcqs Test Online
• Punjab 12th Class English Good Bye Mr. Chips Chapter 5 MCQs Test Online
• Punjab 9th Class English Model Paper 9 MCQs Test Online