Exam-Style Online Test | 11-Chemistry: S-Block Elements

Class 11 Chemistry — Chapter 10: S-Block Elements Online Test

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Class 11 Chemistry: S-Block Elements Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. What happens when magnesium (Mg) reacts with excess oxygen (O₂)?

2 / 20

2. What happens when calcium carbonate (CaCO₃) is heated in the presence of excess carbon dioxide (CO₂)?

3 / 20

3. Which of the following hormones regulates calcium levels in the blood?

4 / 20

4. Which of the following is a common use of cement in the construction industry?

5 / 20

5. What is the appearance of calcium hydroxide (Ca(OH)₂) in its solid form?

6 / 20

6. Which of the following is a property of sodium hydroxide (NaOH)?

7 / 20

7. What is the primary use of sodium carbonate (Na₂CO₃) in industry?

8 / 20

8. What is the effect of high polarization on the bonding behavior of alkaline earth metals?

9 / 20

9. Which of the following compounds does lithium (Li) form that is similar to magnesium (Mg)?

10 / 20

10. As we move down Group 2, what happens to the reactivity of alkaline earth metals with water?

11 / 20

11. Which of the following statements is true regarding ionization enthalpy in Group 2 elements?

12 / 20

12. What is the main industrial use of dolomite?

13 / 20

13. What is the trend in ionization enthalpy as we move down Group 1 (Alkali Metals)?

14 / 20

14. Which of the following is the primary reason for the high reactivity of alkali metals?

15 / 20

15. How does the occurrence of alkali metals in nature generally compare with their reactivity?

16 / 20

16. Why does reactivity increase as we move down Group 1 (Alkali Metals)?

17 / 20

17. Which of the following compounds is commonly formed by alkaline earth metals?

18 / 20

18. How does the conductivity of alkaline earth metals compare to alkali metals?

19 / 20

19. How does the size of the ion change as we move down Group 2?

20 / 20

20. What is the product when barium (Ba) reacts with oxygen at higher temperatures?

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Class 11 Chemistry: S-Block Elements Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

Get new questions on each attempt

  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. Which of the following forms peroxides when it reacts with oxygen?

2 / 30

2. Sodium hydroxide (NaOH) is used in the production of which of the following products?

3 / 30

3. What is the electronic configuration of calcium (Ca)?

4 / 30

4. Which of the following alkaline earth metals has the highest polarization tendency?

5 / 30

5. What happens when calcium carbonate (CaCO₃) is heated in the presence of excess carbon dioxide (CO₂)?

6 / 30

6. What happens when calcium oxide (CaO) is exposed to moist air?

7 / 30

7. Which of the following compounds is commonly formed by alkaline earth metals?

8 / 30

8. What is the trend in ionic radius for alkaline earth metals as we move down the group?

9 / 30

9. Which of the following statements is true for the alkali metals' behavior in terms of their conductivity as we move down the group?

10 / 30

10. What happens to the melting points of alkaline earth metals as we move down Group 2?

11 / 30

11. Which of the following best describes the physical properties of sodium carbonate (Na₂CO₃)?

12 / 30

12. How does sodium chloride (NaCl) behave when dissolved in water?

13 / 30

13. What happens when magnesium (Mg) reacts with excess oxygen (O₂)?

14 / 30

14. Which of the following statements is true for alkali metals in Group 1?

15 / 30

15. Which of the following is a property of calcium hydroxide (Ca(OH)₂) in its aqueous form (limewater)?

16 / 30

16. How does the rate of hydrogen gas production compare as we move down Group 2 in alkaline earth metals reacting with water?

17 / 30

17. What happens to the atomic radius of alkali metals as we move down Group 1?

18 / 30

18. Why does barium (Ba) have a larger atomic radius than magnesium (Mg)?

19 / 30

19. What is the product when barium (Ba) reacts with oxygen at higher temperatures?

20 / 30

20. What is the product formed when magnesium (Mg) reacts with chlorine (Cl₂) at elevated temperatures?

21 / 30

21. What is the common feature of all alkaline earth metals (Group 2) in terms of their electronic configuration?

22 / 30

22. How does hydration enthalpy relate to the ionic size of the alkaline earth metals?

23 / 30

23. What is the effect of calcium (Ca²⁺) deficiency on bones and teeth?

24 / 30

24. What is the byproduct formed when sodium chloride (NaCl) undergoes electrolysis?

25 / 30

25. How does calcium (Ca²⁺) contribute to the regulation of blood pressure?

26 / 30

26. Which of the following similarities exists between lithium (Li) and magnesium (Mg)?

27 / 30

27. How does the occurrence of alkali metals in nature generally compare with their reactivity?

28 / 30

28. Which of the following reactions demonstrates the formation of a covalent compound by an alkaline earth metal?

29 / 30

29. Which of the following reactions demonstrates the anomalous behavior of lithium (Li) compared to sodium (Na)?

30 / 30

30. Which of the following factors primarily determines the hydration enthalpy of a cation?

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Class 11 Chemistry: S-Block Elements Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

Earn a certificate upon passing

Get new questions with every attempt

  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Which of the following alkaline earth metals has the lowest melting point?

2 / 50

2. When barium (Ba) reacts with chlorine (Cl₂), which of the following compounds is formed?

3 / 50

3. How does the occurrence of alkali metals in nature generally compare with their reactivity?

4 / 50

4. What is the product of the reaction between sodium (Na) and water?

5 / 50

5. How does the movement of sodium (Na⁺) and potassium (K⁺) ions across the cell membrane affect osmotic balance in the body?

6 / 50

6. How do the physical properties of alkaline earth metals compare to alkali metals?

7 / 50

7. When calcium oxide (CaO) is added to water, what is the product formed?

8 / 50

8. What is the chemical equation for the decomposition of calcium carbonate (CaCO₃) upon heating?

9 / 50

9. Which of the following alkaline earth metals forms an oxide that is amphoteric in nature?

10 / 50

10. What is the chemical composition of Ordinary Portland Cement (OPC)?

11 / 50

11. Which of the following alkaline earth metals has the smallest atomic radius?

12 / 50

12. Which of the following is the most common source of lithium in nature?

13 / 50

13. What happens to the atomic radius of alkaline earth metals as we move down Group 2?

14 / 50

14. Which of the following pairs exhibits a diagonal relationship in the periodic table?

15 / 50

15. Which of the following statements about beryllium (Be) and aluminum (Al) is true?

16 / 50

16. How is rubidium typically obtained from nature?

17 / 50

17. What is the chemical equation for the reaction of sodium bicarbonate (NaHCO₃) with carbon dioxide () in the Solvay process?

18 / 50

18. Which of the following alkaline earth metals has the highest polarization tendency?

19 / 50

19. How does the electrical conductivity of alkali metals change as we move down Group 1?

20 / 50

20. Where is dolomite commonly found in nature?

21 / 50

21. Which of the following statements about magnesium (Mg²⁺) and chlorophyll is true?

22 / 50

22. Which alkaline earth metal forms a superoxide when it reacts with oxygen?

23 / 50

23. What is one of the chemical properties that magnesium (Mg) and aluminum (Al) share due to their diagonal relationship?

24 / 50

24. What is the role of sodium chloride (NaCl) in the human body?

25 / 50

25. What is the main product formed when cement hydrates with water?

26 / 50

26. Why is lithium (Li) considered anomalous compared to other alkali metals?

27 / 50

27. What is the electronic configuration of calcium (Ca)?

28 / 50

28. When magnesium (Mg) reacts with hydrochloric acid (HCl), which of the following is the correct chemical equation?

29 / 50

29. Which of the following reactions best demonstrates the increasing reactivity of alkali metals with water down the group?

30 / 50

30. Which of the following is a major component in the production of sodium carbonate using the Solvay process?

31 / 50

31. What happens when sodium carbonate (Na₂CO₃) is dissolved in water?

32 / 50

32. What is the product formed when calcium oxide (CaO) reacts with water?

33 / 50

33. What is the product of the reaction between calcium (Ca) and water?

34 / 50

34. Which of the following alkali metals can be cut easily with a knife due to its softness?

35 / 50

35. Why does the diagonal relationship between beryllium (Be) and aluminum (Al) exist?

36 / 50

36. What is the byproduct formed when sodium chloride (NaCl) undergoes electrolysis?

37 / 50

37. Which of the following equations represents the reaction of sulfur dioxide (SO₂) with oxygen (O₂) in the contact process for the production of sulfur trioxide (SO₃)?

38 / 50

38. What is the product of the reaction between calcium hydroxide (Ca(OH)₂) and carbon dioxide (CO₂)?

39 / 50

39. Which of the following alkali metals is the most reactive with water?

40 / 50

40. Which of the following characteristics is shared by both lithium (Li) and magnesium (Mg) due to their diagonal relationship?

41 / 50

41. Which of the following is the correct ionic equation for the formation of calcium chloride from calcium and chlorine?

42 / 50

42. What is the product when sodium hydroxide (NaOH) reacts with chlorine (Cl₂)?

43 / 50

43. What is the chemical formula of baking soda?

44 / 50

44. What is the effect of sodium hydroxide (NaOH) on organic materials like fats and oils?

45 / 50

45. Which of the following is a property of calcium carbonate (CaCO₃)?

46 / 50

46. Which of the following materials is mixed with clinker to make cement?

47 / 50

47. What happens when calcium oxide (CaO) is exposed to moist air?

48 / 50

48. In the Solvay process, which of the following compounds is heated to release carbon dioxide gas ()?

49 / 50

49. Which of the following alkaline earth metals has the lowest hydration enthalpy?

50 / 50

50. What effect does high polarization tendency have on the solubility of compounds formed by alkaline earth metals?

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Practice S-Block Elements MCQs
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Class 11 Chemistry — Chapter 10: S-Block Elements Online Test

The Class 11 Chemistry: Chapter 10 – S-Block Elements Online Test provides a challenging and comprehensive set of 359 MCQs to help you master the essential concepts related to the s-block elements. Aligned with the CBSE/NCERT syllabus, this test allows you to evaluate your understanding of alkali and alkaline earth metals, their properties, and reactions. Whether you’re preparing for your school exams, competitive tests, or self-assessment, this online quiz is designed to help you succeed.

The free online test comes with timed MCQs, instant results, and detailed answer reviews. Plus, you can retake the test as many times as needed. The three difficulty levels (Easy, Medium, Hard) allow you to progress step by step, refining your skills as you go. When you feel confident, you can attempt Paper 3 for a challenge and earn a certificate on passing.

What is the Class 11 Chemistry: S-Block Elements Online Test?

This test contains three exam-style MCQ papers for Chapter 10: S-Block Elements:

  • Paper 1 (Easy) — Foundation: 20 questions · 30 min · Pass 40% · Fixed set
  • Paper 2 (Medium) — Mixed: 30 questions · 45 min · Pass 50% · Randomized from a pool of 359 questions
  • Paper 3 (Hard) — Challenge: 50 questions · 75 min · Pass 70% · Randomized from the same pool + Certificate on pass

Note: You get new question mixes in Paper 2 and Paper 3 on every attempt. Each attempt is timed, auto-evaluated, and shows your score with answer review.

Topics Covered in These Online Tests

The online test focuses on the following topics from Chapter 10 — S-Block Elements:

  • Introduction to S-Block Elements — Alkali and Alkaline Earth Metals
  • Physical Properties — Density, Melting Point, Boiling Point, and Hardness
  • Chemical Properties — Reactivity with Water, Oxygen, and Halogens
  • Preparation of Alkali Metals — Industrial and Laboratory Methods
  • Trends in Alkali Metals — Ionization Energy, Atomic Size, and Reactivity
  • Alkaline Earth Metals — Beryllium, Magnesium, Calcium, Strontium, and Barium
  • Solubility of Hydroxides — Trends in Solubility and the Effect of Ionic Size
  • Alkali Metal Compounds — Sodium Chloride, Sodium Hydroxide, and Sodium Carbonate
  • Alkaline Earth Metal Compounds — Magnesium Hydroxide, Calcium Carbonate
  • Applications of S-Block Elements — Industrial, Biological, and Environmental Significance

For additional questions and explanations, you can practice from our full Chapter 10: S-Block Elements MCQs, or explore the entire Class 11 Chemistry MCQ Question Bank.

How This Exam-Style Online Test Works

  • Pick a paper → Answer MCQs within time → Submit → Get instant score and answer review.
  • Timed MCQs: The test is timed with Paper 1 being 30 minutes, Paper 2 being 45 minutes, and Paper 3 being 75 minutes.
  • Instant Feedback: After each paper, view your score along with a detailed summary and answer explanation.
  • Unlimited Retakes: You can retake the test as many times as you like, with fresh questions in Paper 2 and Paper 3.
  • Certificate: You will earn a certificate after passing Paper 3 with a score of 70% or more.

Who Can Take This Test?

  • Class 11 CBSE/NCERT students preparing for exams and seeking to strengthen their understanding of S-Block Elements.
  • JEE/NEET aspirants looking to build accuracy and speed in answering MCQs related to periodicity and chemical properties of S-Block Elements.
  • Teachers and tutors needing pre-made tests to assess their students’ understanding of S-Block Elements.
  • International students following IGCSE, IB, or other curricula who want extra practice with MCQs on S-Block Elements.
  • Self-learners or home-schoolers who want to test their knowledge of S-Block Elements and periodic trends.

Advantages of This Online Test

  • Real exam feel: Timed questions, passing percentages, and auto-submit function replicate exam conditions.
  • Instant feedback: Get your score and review the correct answers immediately after submitting the test.
  • Step-up difficulty: Paper 1 (Easy) → Paper 2 (Medium) → Paper 3 (Hard) to progressively challenge yourself.
  • Unlimited attempts: Practice as many times as you like with randomized questions in Paper 2 and Paper 3.
  • Zero cost & safe: The test is completely free to use and doesn’t require any registration.

How This Test Helps You Study Better

  • Step 1 – Concept Check: Start with Paper 1 to check your basic understanding of S-Block elements and compounds.
  • Step 2 – Reinforce Learning: Attempt Paper 2 to reinforce your understanding with a mixed set of concept-based and numerical questions.
  • Step 3 – Exam Readiness: Take Paper 3 to prepare for real exam conditions. Aim for ≥ 70% to earn the certificate.
  • Step 4 – Review: Go through the explanations of missed questions and revise weak concepts.
  • Step 5 – Retake Smartly: Reattempt the test after a couple of days to assess long-term retention.

Important Notes (Read Before You Start)

  • Do not refresh or close the tab during the test.
  • Best experience: Use a modern browser (like Chrome or Edge) and ensure a stable internet connection.
  • Allow cookies / local storage for seamless progress saving.
  • Safety: This test is 100% free, with no hidden charges or sign-in requirements.

More Practice for Class 11 Chemistry

After completing this online test, continue to strengthen your understanding of Chemistry with the full Class 11 Chemistry Online Test Index or explore the Class 11 Chemistry MCQ Collection for even more practice.

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