NEET Chemistry: Some Basic Concepts Of Chemistry — MCQ Test 4

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 500 mL solution of \( \ce{H2SO4} \) has a molarity of 0.2 M and density 1.02 g/mL. What is the mass percentage of \( \ce{H2SO4} \)? (Molar mass: \( \ce{H2SO4} \) = 98 g/mol)

Q8. A mixture of 6 g \( \ce{H2} \) and 44 g \( \ce{O2} \) is ignited to form \( \ce{H2O} \). What is the mass of \( \ce{H2O} \) produced? (Atomic masses: H = 1, O = 16)

Q9. How many grams of \( \ce{Zn} \) are required to produce 2.24 L of \( \ce{H2} \) at STP with excess \( \ce{H2SO4} \)? (Atomic mass: Zn = 65)

Q10. How many grams of \( \ce{Na2CO3} \) are required to produce 8.4 g of \( \ce{NaCl} \) with excess \( \ce{HCl} \)? (Molar masses: \( \ce{Na2CO3} \) = 106 g/mol, \( \ce{NaCl} \) = 58.5 g/mol)

NEET ChemistrySome Basic Concepts Of Chemistry

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What volume of \( \ce{CO2} \) at STP is produced when 10 g of \( \ce{C2H2} \) is burned completely? (Molar mass: \( \ce{C2H2} \) = 26 g/mol)

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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, Completely, Solution, Molality, Required, and Molarity.

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. What volume of \( \ce{CO2} \) at STP is produced when 10 g of \( \ce{C2H2} \) is burned completely? (Molar mass: \( \ce{C2H2} \) = 26 g/mol)

  • A. 8.61 L
  • B. 22.4 L
  • C. 11.2 L
  • D. 17.23 L

Q2. A 3 M solution of \( \ce{NaCl} \) has a density of 1.25 g/mL. What is its molality? (Molar mass of \( \ce{NaCl} \) = 58.5 g/mol)

  • A. 2.79 m
  • B. 3.00 m
  • C. 2.50 m
  • D. 3.25 m

Q3. What is the mass of \( \ce{AgCl} \) produced when 17 g of \( \ce{AgNO3} \) reacts with excess \( \ce{NaCl} \)? (Molar masses: \( \ce{AgNO3} \) = 170 g/mol, \( \ce{AgCl} \) = 143.5 g/mol)

  • A. 7.15 g
  • B. 28.7 g
  • C. 10.5 g
  • D. 14.35 g

Q4. How many grams of \( \ce{KMnO4} \) are required to oxidize 9.8 g of \( \ce{FeSO4} \) in acidic medium to \( \ce{Fe2(SO4)3} \)? (Molar masses: \( \ce{KMnO4} \) = 158 g/mol, \( \ce{FeSO4} \) = 152 g/mol)

  • A. 1.58 g
  • B. 2.04 g
  • C. 3.16 g
  • D. 4.08 g

Q5. A solution of \( \ce{H2SO4} \) has a molarity of 0.5 M and a density of 1.02 g/mL. What is its molality? (Molar mass: \( \ce{H2SO4} \) = 98 g/mol)

  • A. 0.515 m
  • B. 0.49 m
  • C. 0.55 m
  • D. 0.6 m

+ 5 more questions in the actual test

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