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Chemistry Some Basic Concepts in Chemistry NEET Mock Test 1 Practice

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Chemistry Some Basic Concepts in Chemistry Important NEET MCQs with Solutions

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 a SI unit for amount of substance?

Q2. The atomic mass of an element is best defined as:

Q3. 1 amu (atomic mass unit) is equal to:

Q4. Which law states: “In a chemical reaction, mass is neither created nor destroyed”?

Q5. The number of atoms present in 1 mole of any element is:

Q6. The empirical formula of a compound gives:

Q7. The mass of 1 atom of carbon-12 is:

Q8. Which statement is true about Avogadro’s law?

Q9. The mass percent of hydrogen in water is:

Q10. A mixture contains 16 g O2 and 2 g H2. Mole ratio O2:H2 is:

Q11. 22.4 L of any gas at STP contains:

Q12. The law of definite proportions was proposed by:

Q13. Which of the following represents Avogadro's hypothesis?

Q14. The limiting reagent is the one which:

Q15. The molar mass of Na2SO4 is:

Q16. What is the percentage composition of carbon in methane (CH4)?

Q17. 1 mole of CO2 weighs:

Q18. Which of the following is NOT a fundamental SI unit?

Q19. Which of the following is true for 0.5 mole of H2O?

Q20. The molecular formula of glucose is:

Congratulations! You answered all questions correctly!

What is the Chemistry Some Basic Concepts In Chemistry Mock Test for NEET?

The Chemistry Some Basic Concepts In Chemistry Mock Test for NEET is a specially curated online practice quiz designed for students appearing in NEET 2026 and later. This test focuses exclusively on the initial foundational units of Chemistry as prescribed in the Class 11 NCERT syllabus.


By attempting this mock test, you can evaluate your understanding of core topics such as the mole concept, laws of chemical combination, atomic and molecular masses, empirical formulas, and fundamental calculations—all frequently asked in NEET Chemistry.


How Chemistry Mock Tests Help NEET Aspirants

Practicing Chemistry mock tests allows NEET aspirants to solidify their grasp on difficult concepts through repeated application. Exposure to NEET-style questions on key topics helps in building accuracy and speed, essential for the actual exam.
Instant scoring and answer explanations after submitting the test provide an effective tool for self-assessment and focused revision. Time-bound practice enhances time management skills and reduces exam-related anxiety.
For more structured preparation, explore our NEET course page and utilize concept-wise test series to maximize your score potential.


Chemistry Topic-wise Mock Test Coverage

SubjectTopics CoveredNo. of Questions
Chemistry Some Basic Concepts In Chemistry 20
Chemistry Mole Concept & Molar Masses 4
Chemistry Empirical & Molecular Formulas 3
Chemistry Laws of Chemical Combination 5
Chemistry Stoichiometry & Calculations 8

How to Take the Chemistry NEET Mock Test

Taking this Chemistry mock test is easy: open the page, click the Start Mock Test button, and begin answering all displayed questions. Be sure to keep an eye on the 20-minute countdown timer.
After answering, click ‘Submit Test’ for instant results or let the auto-submit function grade your attempt when time runs out. Your score and correct answers will be shown immediately.


Why Choose Vedantu's Chemistry NEET Mock Test?

Vedantu’s Chemistry NEET Mock Test is designed following the NEET exam pattern and updated NCERT syllabus. Questions are carefully chosen to target NEET-relevant concepts with varying levels of difficulty.
You’ll receive instant NEET-style scoring (+4, –1), see color-coded answer feedback, and get detailed explanations for correct options. These features help you identify strengths and improvement areas for a smarter revision plan.
Join thousands of toppers using Vedantu’s test series for effective last-minute practice and confidence-building!


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 1 Practice

1. What are the main basic concepts of chemistry needed for NEET?

Some basic concepts of chemistry essential for NEET include understanding matter, atomic structure, and calculations. Key points are:
- Atomic structure and subatomic particles
- Mole concept and Avogadro’s number
- Chemical reactions and equations
- Stoichiometry and limiting reagents
- Laws of chemical combination
Mastering these provides a strong foundation for advanced chemistry topics and NEET exam success.

2. How do I write a speech on chemistry concepts in English?

To write a clear and effective speech on chemistry concepts in English, follow these steps:
- Start with an engaging introduction mentioning the role of chemistry.
- Outline key concepts like the laws of chemical combination, atomic theory, and mole concept.
- Explain relevance for daily life or exams.
- Conclude with the importance of chemistry in modern science.
Keep sentences short and use simple language for better audience understanding.

3. What is the best way to prepare for a chemistry mock test?

The best way to prepare for a chemistry mock test is to:
- Revise all NCERT concepts, focusing on basic definitions and formulas.
- Practice previous years’ NEET questions.
- Attempt timed online mock tests.
- Analyze mistakes and revisit weak topics.
This approach helps build conceptual clarity and boosts exam confidence.

4. Are there sample essays on “Some Basic Concepts in Chemistry” for class 6-12?

Yes, students can find sample essays on "Some Basic Concepts in Chemistry" tailored for classes 6 to 12. These essays:
- Cover essential topics such as atoms, molecules, and stoichiometry
- Are available in 150, 250, and 500 words
- Follow a simple, exam-friendly English style
Such samples help with assignments and NEET preparation.

5. What are the word count requirements for NEET English essays?

NEET-related English essays often require three lengths:
- Short essay: 150 words
- Medium essay: 250 words
- Long essay: 500 words
Choose the word count specified by your assignment or exam for best results.

6. Where can I download PDF notes for chemistry basics for NEET?

Reliable PDF notes for chemistry basics for NEET can be found on:
- Official NCERT or NTA websites
- Educational portals offering NEET materials
- Some pages include ready-made mock test answers and sample essays
Download notes for quick revision and on-the-go study.

7. What are some basic concepts of chemistry?

Basic concepts of chemistry include the study of matter, its properties, and changes.
Core ideas:
- Types of matter (elements, compounds, mixtures)
- Atomic and molecular structure
- Mole concept and calculations
- Chemical reactions and equations
- Stoichiometry and limiting reagent
These form the foundation for higher-level chemistry exams like NEET.

8. Why are some basic concepts important in chemistry?

Basic concepts are vital in chemistry because they:
- Build understanding for advanced topics
- Simplify complex theories
- Aid in accurate calculations and chemical reasoning
- Help tackle NEET and board exam questions efficiently
Without these fundamentals, learning chemistry becomes difficult for students.

9. What is the NEET-level chemistry mock test pattern?

NEET chemistry mock tests usually follow this pattern:
- 45 multiple-choice questions (MCQs)
- Each question has four options, one correct
- +4 marks for correct answer, -1 for wrong
- Covers physical, organic, and inorganic chemistry, including basic concepts
Practice under timed conditions for best results.

10. How can I remember chemistry formulas for NEET?

To remember chemistry formulas for NEET:
- Make concise formula sheets
- Revise regularly and use flashcards
- Understand the derivation instead of rote learning
- Practice applying formulas in solved examples and mock tests
This approach boosts accuracy and memory retention during exams.