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NEET 2025 Some Basic Concepts in Chemistry Mock Test (Online Free)

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How to Prepare for NEET Chemistry with Chapter-wise Mock Tests and Solutions

Some Basic Concepts In Mock Test 3 | NEET Mock Test
Mock Test: 20 Questions - 20 Minutes
Prepare yourself for NEET with 20 challenging questions from Some Basic Concepts In Mock Test 3. You have exactly 20 minutes to complete the test. Ready to begin?

Time Left: 20:00

1. Which of the following is a correct representation of 0.0025 g in scientific notation?

2. Avogadro constant is equal to:

3. One mole of any ideal gas at STP occupies:

4. The S.I. unit of molarity is:

5. Which law states that equal volumes of gases contain equal numbers of molecules at same temperature and pressure?

6. Empirical formula shows:

7. The limiting reagent in a chemical reaction is:

8. Which is correct for 1 amu?

9. Percentage composition is calculated by:

10. Which of the following is NOT a base SI unit?

11. The molar mass of water (H2O) is:

12. The number of moles in 44 g of CO2 is:

13. Which represents 0.01 mg in grams?

14. In a balanced reaction, the sum of reactants and products is maintained by:

15. Which of these describes a “mole”?

16. Significant figures in 0.03040 are:

17. 1 L is equal to:

18. Which is NOT an extensive property?

19. 100 °C is equal to:

20. The most fundamental law for chemical calculation is:

Hurray! 🎉 You answered all the questions correctly! 🏆

Some Basic Concepts in Chemistry: NEET Mock Test 3

Mastering Some Basic Concepts in Chemistry is essential for every NEET aspirant aiming at a top AIR in 2025. This mock test series is expertly crafted to match the latest NTA pattern and provides free, chapter-wise practice tailored for online and mobile learning.


The mock test on Some Basic Concepts in Chemistry includes instant scoring, NTA-style MCQs, and real-time solutions. Practicing with these tests helps students analyze their time management and accuracy, while understanding the logic behind each answer.


Benefits of Free NEET Chemistry Mock Tests Online

Online mock tests for NEET, particularly chapter-wise for Chemistry, offer a realistic exam environment. Students experience the actual NEET interface, develop confidence, and adapt to the pace required to attempt all questions within the stipulated time.


  • NEET mock tests are available online free for all chapters and subjects.
  • Detailed instant solutions and answer keys boost conceptual clarity.
  • Personalized analytics highlight weak and strong areas post-test.
  • Performance is benchmarked with leaderboards and AIR prediction features.

Key Conversions and Concepts in Chemistry

Accurate unit conversions form the backbone of chemical calculations in NEET exam. Understanding mole concept, STP values, and concentration terms is crucial for efficient and error-free NEET problem-solving.


Quantity Unit/Value Conversion/Significance
1 mole 6.022 × 1023 Avogadro constant (entities/mole)
Molar Volume at STP 22.4 L Volume occupied by 1 mole ideal gas
1 Litre (L) 1000 cm3 Standard SI volume conversion
1 amu 1.66 × 10-24 g Atomic mass unit definition
Temperature 0 °C = 273 K Celsius to Kelvin conversion

Chapter-wise Practice for Targeted Chemistry Revision

A chapter-wise NEET Chemistry mock test enables students to focus on weak fundamentals and strengthens problem-solving for concepts like mole, empirical formula, and unit conversions. This strategy helps build total confidence for the real NEET exam.


  • Practice is available online and mobile for ultimate convenience.
  • Each test follows the new exam pattern with explanation for every answer.
  • Solutions reference NCERT and align with NTA blueprint standards.

Excel in NEET 2025 With Performance Analytics and Leaderboard

After each NEET Chapter Mock Test, get instant AIR predictions, accuracy stats, and personalized improvement tips. This AI-powered analysis lets you set milestones, simulate the actual exam, and boost your chemistry scores effectively.


The mock test is continually updated by subject matter experts for NEET 2025, reflecting the latest syllabus and exam trends. Students can reattempt mock tests, compare results, and challenge peers via dynamic online leaderboards.


  • Track percentile and subject-wise rank instantly.
  • Visual, easy-to-read score cards boost revision focus.
  • Identify concepts needing more practice in real-time.

Guidance From NEET Mentors and Toppers

Tests and solutions are reviewed by senior NEET mentors and certified Chemistry toppers, ensuring accuracy and reliability. Every question is mapped to actual NEET and NCERT topics for guaranteed exam alignment.


Students preparing for NEET 2026 receive the right support for analytical, scientific, and time-management skill building—key to mastering Some Basic Concepts in Chemistry for an excellent NEET Chemistry score.


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FAQs on NEET 2025 Some Basic Concepts in Chemistry Mock Test (Online Free)

1. Is Vedantu’s NEET mock test for ‘Some Basic Concepts in Chemistry’ free for all students?

Yes, Vedantu offers many NEET mock tests, including ‘Some Basic Concepts in Chemistry’, free of cost for all registered students. You can access online mock tests, instant scoring, and solutions without any fees. Some advanced features or additional tests may require a Vedantu Pro subscription.

2. Are Vedantu NEET mock tests based on the latest NTA 2025 exam pattern?

Yes, all Vedantu NEET mock tests strictly follow the latest NTA pattern and syllabus for NEET 2025. This includes the question format, chapter distribution, and marking scheme as specified by NTA guidelines, ensuring you get real exam-like practice.

3. How can I take the NEET ‘Some Basic Concepts of Chemistry’ mock test online?

You can attempt the NEET ‘Some Basic Concepts of Chemistry’ mock test online by visiting Vedantu’s NEET Practice Test section. Just select the specific chapter-wise test, click ‘Start Test’, and answer all objective-type MCQs within the allotted time. No download is needed.

4. Will I receive instant performance analysis and solutions after completing the mock test?

Yes, after submitting your test, you will immediately see your score, detailed solutions, correct/incorrect attempts, and time taken per question. Vedantu also provides performance analytics, strengths and weaknesses, and an estimated All India Rank preview.

5. Can I attempt Vedantu NEET mock tests on my mobile phone or tablet?

Absolutely! Vedantu’s mock tests are fully optimized for mobile, tablet, and desktop. You can practice anytime on the Vedantu website or app for seamless access to all NEET test series and solutions.

6. How many NEET Chemistry mock tests should I attempt before the exam?

It is recommended to attempt at least 10–15 chapter-wise mock tests and 5–8 full-length mocks for Chemistry. Regular practice improves your concept clarity, speed, and exam temperament, especially in high-weightage chapters like Some Basic Concepts of Chemistry.

7. Are answer keys and detailed explanations available for all NEET mock test questions?

Yes, every question in Vedantu’s NEET mock tests comes with an expert-verified answer key and step-wise solution. Explanations align with NCERT syllabus concepts and help you understand how to approach each question.

8. Can I check which Chemistry topics I am weak in after taking mock tests?

Yes, after every test, you receive a topic-wise breakdown of correct/incorrect responses. Vedantu’s analytics highlight weak chapters and topics such as mole concept, stoichiometry, or atomic mass, helping you target your revision effectively.

9. Is there a time limit for the ‘Some Basic Concepts of Chemistry’ mock test?

Yes, each chapter-wise NEET mock test has a pre-set time limit similar to the actual exam (generally 45–60 minutes for Chemistry chapters). Practicing within a time frame improves your speed and accuracy for the real test.

10. Are Vedantu’s NEET mock tests created by real subject matter experts?

All mock test questions and solutions are prepared and reviewed by experienced NEET faculty, subject experts, and past top rankers. Content is mapped to the latest NEET/NCERT syllabus to ensure high accuracy and relevance for 2025 exam aspirants.

11. Will regularly taking Vedantu’s NEET mock tests improve my All India Rank (AIR)?

Consistent practice of full-length and chapter-wise mock tests helps improve your conceptual understanding, time management, and question-solving skills. Over time, this results in higher mock scores and better chances of improving your NEET AIR.

12. How can I download a PDF of the NEET Chemistry mock test or solution?

After completing an online mock test, Vedantu allows you to download the entire set of questions, answer keys, and expert solutions as a PDF. Use the ‘Download’ button on the test result page to save it for offline practice and revision.