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 is a common use of Plaster of Paris?

2 / 30

2. What is the primary reason that smaller cations have higher hydration enthalpy?

3 / 30

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

4 / 30

4. What type of bond is formed in sodium chloride (NaCl) when sodium (Na) reacts with chlorine (Cl₂)?

5 / 30

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

6 / 30

6. Which of the following is a condition caused by calcium (Ca²⁺) deficiency?

7 / 30

7. Which of the following represents the electronic configuration of potassium (K)?

8 / 30

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

9 / 30

9. What type of reaction occurs when sodium (Na) reacts with chlorine (Cl₂) to form sodium chloride ()?

10 / 30

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

11 / 30

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

12 / 30

12. Which of the following electronic configurations is correct for an alkali metal?

13 / 30

13. Which of the following reactions occurs when limestone (CaCO₃) is heated?

14 / 30

14. What is the general trend of hydride formation across Group 2?

15 / 30

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

16 / 30

16. What is the primary reason for magnesium (Mg) forming covalent compounds with non-metals?

17 / 30

17. In the setting of cement, which of the following compounds reacts first with water?

18 / 30

18. What is the main product of the reaction between sodium bicarbonate (NaHCO₃) and vinegar (acetic acid, CH₃COOH)?

19 / 30

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

20 / 30

20. Which alkali metal reacts most vigorously with halogens to form halides?

21 / 30

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

22 / 30

22. How does the reactivity of alkaline earth metals with halogens change as we move down the group?

23 / 30

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

24 / 30

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

25 / 30

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

26 / 30

26. Which of the following properties is characteristic of sodium chloride (NaCl)?

27 / 30

27. Which of the following is true about the physical properties of alkali metals?

28 / 30

28. What happens when magnesium (Mg²⁺) deficiency occurs in plants?

29 / 30

29. What is the chemical formula of Plaster of Paris?

30 / 30

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

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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 is a characteristic shared by both beryllium (Be) and aluminum (Al)?

2 / 50

2. What is the main component of Plaster of Paris?

3 / 50

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

4 / 50

4. Which mineral is a significant source of lime (calcium oxide, CaO) in the industry?

5 / 50

5. What is the result when sodium carbonate (Na₂CO₃) reacts with hydrochloric acid (HCl)?

6 / 50

6. Which of the following alkaline earth metals has the largest atomic radius?

7 / 50

7. What is the primary component of marble?

8 / 50

8. Which of the following oxides is formed by the reaction of magnesium (Mg) with oxygen?

9 / 50

9. What is the mechanism by which sodium (Na⁺) and potassium (K⁺) ions maintain osmotic balance in the body?

10 / 50

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

11 / 50

11. What is the main industrial use of dolomite?

12 / 50

12. How does potassium (K⁺) affect the function of the sodium-potassium pump (Na⁺/K⁺ pump)?

13 / 50

13. Which of the following alkaline earth metals has the smallest ionic radius?

14 / 50

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

15 / 50

15. What is the trend in the hydration enthalpy of alkali metals as we move down Group 1?

16 / 50

16. What is the trend in the ionization energy of alkaline earth metals as we move down the group?

17 / 50

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

18 / 50

18. Which of the following statements about sodium carbonate (Na₂CO₃) is incorrect?

19 / 50

19. What happens to the electronegativity of alkaline earth metals as we move down Group 2?

20 / 50

20. Which of the following alkaline earth metals will have the least hydration enthalpy?

21 / 50

21. What happens when calcium hydroxide (Ca(OH)₂) reacts with sulfuric acid (H₂SO₄)?

22 / 50

22. What is the main product of the reaction between sodium bicarbonate (NaHCO₃) and vinegar (acetic acid, CH₃COOH)?

23 / 50

23. Which of the following elements has the electronic configuration ?

24 / 50

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

25 / 50

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

26 / 50

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

27 / 50

27. Which of the following is a common use of sodium bicarbonate (NaHCO₃)?

28 / 50

28. Which of the following is an important industrial application of calcium hydroxide (Ca(OH)₂)?

29 / 50

29. What is a key difference between Plaster of Paris and gypsum (CaSO₄·2H₂O)?

30 / 50

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

31 / 50

31. What trend is observed for hydration enthalpy as we move from magnesium (Mg) to barium (Ba)?

32 / 50

32. How does hydration enthalpy affect the solubility of salts of alkaline earth metals?

33 / 50

33. Which of the following reactions correctly shows the formation of a superoxide by potassium (K)?

34 / 50

34. What is the effect of heating calcium carbonate (CaCO₃) at high temperatures?

35 / 50

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

36 / 50

36. How does the melting point of alkali metals change as we move down Group 1?

37 / 50

37. How does magnesium (Mg²⁺) contribute to enzyme activation?

38 / 50

38. What property of beryllium (Be) is most similar to that of aluminum (Al)?

39 / 50

39. Which of the following alkaline earth metals has the lowest density?

40 / 50

40. Where can potassium (K) typically be found in nature?

41 / 50

41. Which of the following processes is used to manufacture cement?

42 / 50

42. Which of the following is a property of calcium oxide (CaO)?

43 / 50

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

44 / 50

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

45 / 50

45. What is the main property of sodium chloride (NaCl) in its solid state?

46 / 50

46. Which of the following is the correct chemical equation for the formation of sodium chloride (NaCl) from sodium (Na) and chlorine (Cl₂)?

47 / 50

47. Which of the following is the primary industrial use of sodium bicarbonate (NaHCO₃)?

48 / 50

48. How does the reactivity of alkali metals change as we move down Group 1?

49 / 50

49. What is the role of calcium (Ca²⁺) in muscle contraction?

50 / 50

50. Which of the following alkaline earth metals does not form a hydride when it reacts with hydrogen?

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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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