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Chemistry Some Basic Concepts in Chemistry NEET Mock Test 3

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Chemistry Some Basic Concepts in Chemistry NEET Practice Questions with Answers

Mock Test: 20 Questions – 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Chemistry - Some Basic Concepts in Chemistry. You have exactly 20 minutes to complete this test. Each correct answer carries 4 marks and each wrong answer carries -1 mark (NEET marking scheme). Ready to begin?

Time Left: 20:00

Q1. Which of the following is not a SI unit?

Q2. Which among the following is the largest mass?

Q3. 1 mole of which of the following contains the maximum number of atoms?

Q4. The empirical formula of a compound is CH2O. Its molecular mass is 180. The molecular formula is:

Q5. The limiting reagent is the one which:

Q6. The number of significant figures in 0.002300 is:

Q7. What is the percentage of Carbon by mass in C2H6?

Q8. 22.4 L of N2 at STP weighs:

Q9. Which represents Avogadro's number?

Q10. The number of molecules present in 2 moles of O2 is:

Q11. Which will have highest number of atoms?

Q12. Which law states “equal volumes of gases at same temperature and pressure contain equal number of molecules”?

Q13. How many moles of oxygen are present in 88 g of CO2?

Q14. The molarity of a solution containing 5.8 g NaCl (M = 58.5 g/mol) in 500 mL water is:

Q15. Which of the following is a correct statement about atomic mass unit (amu)?

Q16. What is the volume occupied by 0.5 mol of CO2 at STP?

Q17. Which quantity has no unit?

Q18. 5.6 L of a gas at STP contains:

Q19. Which of the following pairs represents isotopes?

Q20. What is the density (g/L) of O2 at STP? (Molar mass = 32 g/mol)

Congratulations! You answered all questions correctly!

What is the Chemistry Mock Test for NEET?

The Chemistry Mock Test for NEET is a scientifically designed practice exam focused on the foundational concepts of chemistry, following the exact NEET 2026 syllabus and pattern. This mock test includes questions strictly from "Some Basic Concepts in Chemistry" based on the latest NCERT curriculum, and is crafted to boost your exam readiness.


By practicing this mock test, NEET aspirants can evaluate their conceptual understanding, identify strengths and weaknesses, and experience a real exam-like environment. Attempting such targeted Chemistry subject mock tests helps boost confidence and exposes you to the kind of questions that appear in the actual NEET exam.


How Chemistry Mock Tests Help NEET Aspirants

Chemistry mock tests, especially topic-wise ones, help students master fundamental theories, calculations, and problem-solving techniques essential for NEET. They reinforce concepts, facilitate quick revision, and reveal gaps in understanding—thus enabling focused study.


Additionally, timed mock tests let NEET aspirants improve time management and accuracy, reducing exam stress and boosting scores. For extra learning resources and expert guidance, check out our NEET course page.


Chemistry Topic-wise Mock Test Coverage

SubjectTopics CoveredNo. of Questions
Chemistry Some Basic Concepts in Chemistry 20
Chemistry Structure of Atom 20
Chemistry Classification of Elements and Periodicity in Properties 20
Chemistry Chemical Bonding and Molecular Structure 20
Chemistry States of Matter: Gases and Liquids 20

How to Take the Chemistry NEET Mock Test

Taking this Chemistry NEET mock test is simple and quick. Open this page, carefully read the instructions, and click the "Start the Mock Test" button. Attempt all questions within the 20-minute limit, then submit your answers or let the test auto-submit at the end of the timer.


Once submitted, your answers are instantly evaluated using the NEET marking scheme. You’ll receive your score, see the correct answers highlighted, and can analyze your performance for continuous improvement.


Why Choose Vedantu's Chemistry NEET Mock Test?

Vedantu’s Chemistry NEET mock test is modeled closely on the real NEET exam pattern, covering both fundamentals and higher-level questions from NCERT. It helps you acclimate to the time-bound format and question types, maximizing your readiness.


Every question comes with immediate scoring, color-coded feedback, and instant access to answer keys after the test, so you learn from every attempt. Plus, topic-wise segmentation supports thorough conceptual revision and focused progress tracking aligned with NEET goals.


NEET Mock Test – Subject-wise
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Essential Study Materials for NEET
1NEET Notification
2NEET Eligibility Criteria
3NEET Syllabus
4NEET Exam Pattern
5NEET Registration
6NEET Admit Card
7NEET Exam Centers
8NEET Exam Date
9NEET Answer Key
10NEET Results
11NEET Counselling

FAQs on Chemistry Some Basic Concepts in Chemistry NEET Mock Test 3

1. What are the main topics covered in Chemistry Some Basic Concepts in Chemistry Mock Test 3?

Chemistry Some Basic Concepts in Chemistry Mock Test 3 assesses foundational areas crucial for NEET and high-school exams.

Main topics include:

  • Atomic structure and fundamentals
  • Mole concept and stoichiometry
  • Units, measurements, and SI conventions
  • Chemical reactions and equations

The test combines multiple-choice and essay/speech questions to evaluate conceptual clarity and exam readiness.

2. How can I prepare for NEET Chemistry Mock Test 3 effectively?

Effective preparation for NEET Chemistry Mock Test 3 involves focused revision and strategic practice.

Follow these tips:

  • Revise NEET syllabus basics thoroughly, using concise notes.
  • Practice with previous year questions and sample mock tests.
  • Focus on key areas: mole concept, atomic mass, and stoichiometry.
  • Summarise chapters with mind maps and formula sheets.
  • Attempt timed mock tests for exam simulation.

Consistent practice helps build conceptual understanding and confidence for the actual exam.

3. Are there sample essays for Chemistry Mock Test 3 available in English?

Yes, this page provides sample essays and speeches on the topic ‘Chemistry Some Basic Concepts in Chemistry Mock Test 3’ for NEET aspirants and students from Classes 6-12.

  • Samples are available in multiple word counts: 150, 250, and 500 words.
  • Each essay covers core chemistry concepts, exam strategies, and speech format guidance.
  • Downloadable resources and answer keys are included for structured practice.

4. What is the ideal format for a chemistry speech or essay?

The ideal format for a chemistry speech or essay is logical, clear, and aligned with exam requirements.

Structure should include:

  • Introduction: Brief context and topic outline.
  • Main points: 3–4 key concepts with examples.
  • Quotes/facts: To support arguments.
  • Conclusion: Summary and personal insight or impact.

Use simple language, short paragraphs, and highlight important chemistry terms wherever applicable.

5. Can I download the Chemistry Mock Test 3 answers in PDF format?

Yes, Chemistry Mock Test 3 answers and sample essays are available as downloadable PDF resources.

  • Look for the download block on the page for a direct PDF link.
  • PDFs include sample answers, solved questions, and writing templates.
  • All resources are updated for NEET 2025 and exam pattern alignment.

6. Which concepts should I revise before attempting Mock Test 3?

Revise key basic chemistry concepts from the syllabus before Mock Test 3.

  • Mole concept, Avogadro’s number
  • Atomic structure and isotopes
  • Stoichiometry and chemical equations
  • Units, measurements, and conversions
  • Laws of chemical combination

Strengthening these areas ensures confident answers in MCQ and descriptive sections.

7. What types of questions are asked in chemistry NEET mock tests?

NEET chemistry mock tests feature a mix of MCQs, assertion-reasoning, and short-answer questions.

  • MCQs test conceptual clarity (e.g., mole calculations, atomic structure).
  • Short essays and speech-based prompts assess explanatory ability.
  • Some questions require diagram labeling and chemical equation balancing.

Practice across these types is essential for strong performance.

8. What are some tips for writing a chemistry essay for NEET?

Key tips for writing a NEET chemistry essay include clarity, structure, and use of scientific vocabulary.

  • Begin with a strong introduction and thesis statement.
  • Organise main points logically and use examples.
  • Support answers with facts or short quotes.
  • Conclude by summarising main insights and relevance to NEET.
  • Keep language concise and avoid unnecessary jargon.

9. How does Chemistry Mock Test 3 help in NEET preparation?

Chemistry Mock Test 3 reinforces basic chemistry concepts and exam pattern familiarity.

  • It provides practice with actual NEET-style questions.
  • Highlights strengths and areas for improvement.
  • Boosts confidence through time-bound practice and exposure to key topics.
  • Encourages written and oral expression—valuable for theory sections.

10. What is Chemistry Some Basic Concepts In Chemistry Mock Test 3?

Chemistry Some Basic Concepts In Chemistry Mock Test 3 is a structured practice set designed for NEET and school students.

  • Reviews foundational topics like atomic structure, mole concept, and stoichiometry.
  • Incorporates both multiple-choice and descriptive assessments.
  • Aims to strengthen theoretical understanding and exam-writing skills for NEET 2025.