NEET Chemistry: Some Basic Concepts Of Chemistry — Free Practice Set 3 (10 MCQs)

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Chemistry preparation, focusing specifically on the chapter Some Basic Concepts Of Chemistry. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Solution, Original, Molarity, Contains, Molecules, and Avogadro.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A 0.25 M \( \ce{NaOH} \) solution is diluted by adding 300 mL of water to 200 mL of the original solution. What is the final molarity?

A. 0.15 M
B. 0.05 M
C. 0.2 M
D. 0.1 M

Q2. A gas mixture contains 2 g of \( \ce{H2} \) and 16 g of \( \ce{O2} \). What is the total number of molecules? (Molar masses: \( \ce{H2} \) = 2 g/mol, \( \ce{O2} \) = 32 g/mol, Avogadro number = \( 6.022 \times 10^{23} \))

A. \( 6.022 \times 10^{23} \)
B. \( 9.033 \times 10^{23} \)
C. \( 3.011 \times 10^{23} \)
D. \( 12.044 \times 10^{23} \)

Q3. A compound contains 52.17% carbon, 13.04% hydrogen, and 34.78% oxygen by mass. What is its empirical formula? (Atomic masses: C = 12, H = 1, O = 16)

A. \( \ce{CH3O} \)
B. \( \ce{C2H6O} \)
C. \( \ce{C2H5O} \)
D. \( \ce{CH2O} \)

Q4. How many grams of \( \ce{Al2O3} \) are required to produce 5.4 g of \( \ce{Al} \) with excess \( \ce{CO} \)? (Molar masses: \( \ce{Al2O3} \) = 102 g/mol, Al = 27 g/mol)

A. 5.1 g
B. 20.4 g
C. 15.3 g
D. 10.2 g

Q5. What volume of \( \ce{O2} \) at STP is required to burn 6 g of \( \ce{CH4} \) completely to \( \ce{CO2} \) and \( \ce{H2O} \)? (Molar mass: \( \ce{CH4} \) = 16 g/mol)

A. 16.8 L
B. 8.4 L
C. 22.4 L
D. 33.6 L

+ 5 more questions in the actual test

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Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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• Alcohols Phenols And Ethers • Aldehydes Ketones And Carboxylic Acids • Amines • Biomolecules • Chemical Bonding And Molecular Structure • Chemical Kinetics • Classification Of Elements And Periodicity In Properties • Coordination Compounds • Electrochemistry • Equilibrium • Haloalkanes And Haloarenes • Hydrocarbons • Organic Chemistry Some Basic Principles And Techniques • Redox Reactions • Solutions • Some Basic Concepts Of Chemistry • Structure Of Atom • The D And F Block Elements • Thermodynamics

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Preview of Questions in this Test

Q1. A 0.25 M \( \ce{NaOH} \) solution is diluted by adding 300 mL of water to 200 mL of the original solution. What is the final molarity?

Q2. A gas mixture contains 2 g of \( \ce{H2} \) and 16 g of \( \ce{O2} \). What is the total number of molecules? (Molar masses: \( \ce{H2} \) = 2 g/mol, \( \ce{O2} \) = 32 g/mol, Avogadro number = \( 6.022 \times 10^{23} \))

Q3. A compound contains 52.17% carbon, 13.04% hydrogen, and 34.78% oxygen by mass. What is its empirical formula? (Atomic masses: C = 12, H = 1, O = 16)

Q4. How many grams of \( \ce{Al2O3} \) are required to produce 5.4 g of \( \ce{Al} \) with excess \( \ce{CO} \)? (Molar masses: \( \ce{Al2O3} \) = 102 g/mol, Al = 27 g/mol)

Q5. What volume of \( \ce{O2} \) at STP is required to burn 6 g of \( \ce{CH4} \) completely to \( \ce{CO2} \) and \( \ce{H2O} \)? (Molar mass: \( \ce{CH4} \) = 16 g/mol)

Frequently Asked Questions

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NEET Chemistry: Some Basic Concepts Of Chemistry — MCQ Test 3

Q6. What is the mass percentage of \( \ce{NH3} \) in a solution made by dissolving 3.4 g of \( \ce{NH3} \) in 16.6 g of water? (Molar mass: \( \ce{NH3} \) = 17 g/mol)

Q7. A 0.56 g sample of a hydrocarbon produces 1.76 g of \( \ce{CO2} \) and 0.72 g of \( \ce{H2O} \) on complete combustion. What is its molecular formula if its molar mass is 56 g/mol? (Atomic masses: C = 12, H = 1, O = 16)

Q8. How many significant figures are present in the result of \( \frac{0.0678 \times 310.15}{0.0821} \)?

Q9. What is the mass of \( \ce{AlCl3} \) produced when 13.5 g of \( \ce{Al} \) reacts with excess \( \ce{Cl2} \)? (Molar masses: Al = 27 g/mol, \( \ce{AlCl3} \) = 133.5 g/mol)

Q10. What is the mass of \( \ce{MgSO4} \) produced when 8.4 g of \( \ce{Mg(OH)2} \) reacts with excess \( \ce{H2SO4} \)? (Molar masses: \( \ce{Mg(OH)2} \) = 58 g/mol, \( \ce{MgSO4} \) = 120 g/mol)

NEET Chemistry — Some Basic Concepts Of Chemistry

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

AI Analytics

About this NEET MCQ Test

Preview of Questions in this Test

Q1. A 0.25 M \( \ce{NaOH} \) solution is diluted by adding 300 mL of water to 200 mL of the original solution. What is the final molarity?

Q2. A gas mixture contains 2 g of \( \ce{H2} \) and 16 g of \( \ce{O2} \). What is the total number of molecules? (Molar masses: \( \ce{H2} \) = 2 g/mol, \( \ce{O2} \) = 32 g/mol, Avogadro number = \( 6.022 \times 10^{23} \))

Q3. A compound contains 52.17% carbon, 13.04% hydrogen, and 34.78% oxygen by mass. What is its empirical formula? (Atomic masses: C = 12, H = 1, O = 16)

Q4. How many grams of \( \ce{Al2O3} \) are required to produce 5.4 g of \( \ce{Al} \) with excess \( \ce{CO} \)? (Molar masses: \( \ce{Al2O3} \) = 102 g/mol, Al = 27 g/mol)

Q5. What volume of \( \ce{O2} \) at STP is required to burn 6 g of \( \ce{CH4} \) completely to \( \ce{CO2} \) and \( \ce{H2O} \)? (Molar mass: \( \ce{CH4} \) = 16 g/mol)

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

More Chemistry Chapters for NEET

Explore More NEET Subjects

Everything you need to crack NEET