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Major Competitive Exams

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Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

  • Key concepts and theories related to major subjects
  • Important formulas and their applications
  • Definitions of critical terms and terminologies
  • Diagrams and illustrations to enhance understanding
  • Practice questions that mirror actual exam patterns
  • Strategies for solving objective questions efficiently
  • Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

  • Rushing through questions without reading them carefully
  • Overlooking the negative marking scheme in MCQs
  • Confusing similar concepts or terms
  • Neglecting to review previous years’ question papers
  • Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

Q. What is the electron configuration of a chlorine atom (atomic number 17)? (2020)
  • A. 1s² 2s² 2p⁶ 3s² 3p⁵
  • B. 1s² 2s² 2p⁶ 3s² 3p⁶
  • C. 1s² 2s² 2p⁶ 3s² 3p⁴
  • D. 1s² 2s² 2p⁶ 3s² 3d⁵
Q. What is the electron configuration of a neutral carbon atom? (2022)
  • A. 1s² 2s² 2p²
  • B. 1s² 2s² 2p⁶
  • C. 1s² 2s² 2p⁴
  • D. 1s² 2s² 2p³
Q. What is the electron configuration of an oxygen atom? (2021)
  • A. 1s² 2s² 2p⁴
  • B. 1s² 2s² 2p²
  • C. 1s² 2s² 2p⁶
  • D. 1s² 2s² 2p³
Q. What is the electron configuration of Chromium (Cr)?
  • A. [Ar] 4s2 3d4
  • B. [Ar] 4s1 3d5
  • C. [Ar] 4s2 3d5
  • D. [Ar] 4s2 3d3
Q. What is the electron configuration of Chromium?
  • A. [Ar] 3d4 4s2
  • B. [Ar] 3d5 4s1
  • C. [Ar] 3d6 4s2
  • D. [Ar] 3d3 4s2
Q. What is the electron configuration of Magnesium?
  • A. 1s² 2s² 2p⁶ 3s²
  • B. 1s² 2s² 2p⁶ 3s² 3p¹
  • C. 1s² 2s² 2p⁶ 3s² 3p²
  • D. 1s² 2s² 2p⁶ 3s² 3d¹
Q. What is the electron configuration of oxygen (O)?
  • A. 1s2 2s2 2p4
  • B. 1s2 2s2 2p6
  • C. 1s2 2s1 2p5
  • D. 1s2 2s2 2p3
Q. What is the electron configuration of potassium (K)?
  • A. 1s² 2s² 2p⁶ 3s¹
  • B. 1s² 2s² 2p⁶ 3s²
  • C. 1s² 2s² 2p⁶ 3s² 3p¹
  • D. 1s² 2s² 2p⁶ 3s² 3p²
Q. What is the electron configuration of the alkali metal potassium (K)?
  • A. 1s² 2s² 2p⁶ 3s¹
  • B. 1s² 2s² 2p⁶ 3s²
  • C. 1s² 2s² 2p⁶ 3s² 3p¹
  • D. 1s² 2s² 2p⁶ 3s² 3p²
Q. What is the electron configuration of the alkaline earth metal magnesium?
  • A. 1s² 2s² 2p⁶ 3s²
  • B. 1s² 2s² 2p⁶ 3s² 3p²
  • C. 1s² 2s² 2p⁶ 3s² 3p⁶
  • D. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²
Q. What is the electron configuration of the element with atomic number 12?
  • A. 1s2 2s2 2p6 3s2
  • B. 1s2 2s2 2p6 3s2 3p1
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3d10
Q. What is the electron configuration of the element with atomic number 26?
  • A. 1s2 2s2 2p6 3s2 3p6 4s2 3d6
  • B. 1s2 2s2 2p6 3s2 3p6 4s2 3d5
  • C. 1s2 2s2 2p6 3s2 3p6 4s2 3d7
  • D. 1s2 2s2 2p6 3s2 3p6 4s2 3d8
Q. What is the electron configuration of the s-block element magnesium?
  • A. 1s² 2s² 2p⁶ 3s²
  • B. 1s² 2s² 2p⁶ 3s² 3p¹
  • C. 1s² 2s² 2p⁶ 3s² 3p²
  • D. 1s² 2s² 2p⁶ 3s² 3d¹
Q. What is the electron pair geometry of NH3?
  • A. Tetrahedral
  • B. Trigonal planar
  • C. Octahedral
  • D. Linear
Q. What is the electron pair geometry of SF6?
  • A. Tetrahedral
  • B. Trigonal bipyramidal
  • C. Octahedral
  • D. Square planar
Q. What is the electronic configuration of a chlorine ion (Cl-)?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3p4
Q. What is the electronic configuration of a neutral oxygen atom?
  • A. 1s2 2s2 2p4
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p2
  • D. 1s2 2s2 2p5
Q. What is the electronic configuration of a neutral sodium atom?
  • A. 1s2 2s2 2p6 3s1
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p5
  • D. 1s2 2s2 2p6 3s2
Q. What is the electronic configuration of a sodium ion (Na+)?
  • A. 1s2 2s2 2p6
  • B. 1s2 2s2 2p6 3s1
  • C. 1s2 2s2 2p5
  • D. 1s2 2s2 2p6 3s2
Q. What is the electronic configuration of Chlorine?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6 3s2 3p4
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3p3
Q. What is the electronic configuration of Iron?
  • A. [Ar] 4s2 3d6
  • B. [Ar] 4s2 3d8
  • C. [Ar] 4s2 3d5
  • D. [Ar] 4s2 3d7
Q. What is the electronic configuration of oxygen?
  • A. 1s2 2s2 2p4
  • B. 1s2 2s2 2p6
  • C. 1s2 2s2 2p2
  • D. 1s2 2s2 2p5
Q. What is the electronic configuration of the alkali metal potassium (K)?
  • A. 1s² 2s² 2p⁶ 3s¹
  • B. 1s² 2s² 2p⁶ 3s²
  • C. 1s² 2s² 2p⁶ 3s² 3p¹
  • D. 1s² 2s² 2p⁶ 3s² 3p⁶
Q. What is the electronic configuration of the chloride ion (Cl-)?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6 3s2 3p6
  • C. 1s2 2s2 2p6 3s2 3p4
  • D. 1s2 2s2 2p6 3s2 3p3
Q. What is the electronic configuration of the element with atomic number 104?
  • A. [Rn] 5f14 6d2
  • B. [Rn] 5f14 6d4
  • C. [Rn] 5f14 6d8
  • D. [Rn] 5f14 7s2
Q. What is the electronic configuration of the element with atomic number 12?
  • A. [Ne] 3s2
  • B. [He] 2s2 2p6
  • C. [Ne] 3s1
  • D. [Ar] 4s2
Q. What is the electronic configuration of the element with atomic number 15?
  • A. [Ne] 3s2 3p3
  • B. [Ne] 3s2 3p4
  • C. [Ne] 3s2 3p5
  • D. [Ne] 3s2 3p2
Q. What is the electronic configuration of the element with atomic number 17?
  • A. 1s2 2s2 2p6 3s2 3p5
  • B. 1s2 2s2 2p6 3s2 3p4
  • C. 1s2 2s2 2p6 3s2 3p6
  • D. 1s2 2s2 2p6 3s2 3p3
Q. What is the electronic configuration of the element with atomic number 20?
  • A. [Ne] 3s2 3p6
  • B. [Ar] 4s2
  • C. [He] 2s2 2p6 3s2 3p6
  • D. [Ne] 3s2 3p4
Q. What is the electronic configuration of the element with atomic number 26?
  • A. [Ar] 4s2 3d6
  • B. [Ar] 4s2 3d5
  • C. [Kr] 5s2 4d6
  • D. [Ar] 4s1 3d7
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