NEET Chemistry: Some Basic Concepts Of Chemistry — MCQ Test 13

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 mixture of 8 g \( \ce{CH4} \) and 32 g \( \ce{O2} \) is ignited to form \( \ce{CO2} \) and \( \ce{H2O} \). What is the mass of \( \ce{CO2} \) produced? (Atomic masses: C = 12, H = 1, O = 16)

Q8. A 0.1 M \( \ce{NaOH} \) solution is prepared using 4 g of \( \ce{NaOH} \). What is the volume of the solution in liters? (Molar mass: \( \ce{NaOH} \) = 40 g/mol)

Q9. How many grams of \( \ce{Zn} \) are required to produce 4.48 L of \( \ce{H2} \) at STP with excess \( \ce{HCl} \)? (Atomic mass: Zn = 65)

Q10. How many grams of \( \ce{ZnSO4} \) are required to produce 6.5 g of \( \ce{Zn} \) with excess \( \ce{H2SO4} \)? (Molar masses: \( \ce{ZnSO4} \) = 161.5 g/mol, Zn = 65 g/mol)

NEET Chemistry — Some Basic Concepts Of Chemistry

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A mixture of 10 g \( \ce{CO} \) and 16 g \( \ce{O2} \) is ignited to form \( \ce{CO2} \). What is the mass of \( \ce{CO2} \) produced? (Atomic masses: C = 12, O = 16)

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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.

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Key concepts covered in this specific test include Produced, Occupies, Solution, Molarity, Molality, and Obtained.

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 mixture of 10 g \( \ce{CO} \) and 16 g \( \ce{O2} \) is ignited to form \( \ce{CO2} \). What is the mass of \( \ce{CO2} \) produced? (Atomic masses: C = 12, O = 16)

  • A. 15.71 g
  • B. 22 g
  • C. 11 g
  • D. 44 g

Q2. A gas occupies 4.48 L at STP and weighs 2 g. What is its molar mass?

  • A. 20 g/mol
  • B. 5 g/mol
  • C. 10 g/mol
  • D. 40 g/mol

Q3. A solution of \( \ce{KOH} \) has a density of 1.1 g/mL and a molarity of 2 M. What is its molality? (Molar mass: \( \ce{KOH} \) = 56 g/mol)

  • A. 2.02 m
  • B. 1.82 m
  • C. 2.20 m
  • D. 1.50 m

Q4. What mass of \( \ce{Fe} \) can be obtained from 16 g of \( \ce{Fe2O3} \) using excess \( \ce{CO} \)? (Molar masses: \( \ce{Fe2O3} \) = 160 g/mol, Fe = 56 g/mol)

  • A. 5.6 g
  • B. 22.4 g
  • C. 11.2 g
  • D. 8.4 g

Q5. A solution contains 25 ppm of \( \ce{NaNO3} \) by mass in water. What is its molarity if the density is 1 g/mL? (Molar mass: \( \ce{NaNO3} \) = 85 g/mol)

  • A. 2.0 × 10⁻⁴ M
  • B. 3.5 × 10⁻⁴ M
  • C. 2.941 × 10⁻⁴ M
  • D. 1.5 × 10⁻⁴ M

+ 5 more questions in the actual test

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