Class 11 · Chemistry
Some Basic Concepts of Chemistry NEET Questions
100 verified questionsNCERT chapter mappedFree practiceAutomatic error log
Build recall in Some Basic Concepts of Chemistry through active solving. This bank covers the complete chapter with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance—without pretending original questions are previous-year questions.
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Three examples from the live 100-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
The number of molecules present in 4.4 g of carbon dioxide (molar mass 44 g mol⁻¹) is:
- A. 6.022 × 10²³ molecules
- B. 6.022 × 10²² molecules
- C. 1.204 × 10²³ molecules
- D. 3.011 × 10²² molecules
Example 2 · difficulty 2/5
The number of moles of oxygen atoms present in 9.8 g of sulphuric acid, H₂SO₄ (molar mass 98 g mol⁻¹), is:
- A. 0.1 mol
- B. 0.2 mol
- C. 0.4 mol
- D. 0.7 mol
Example 3 · difficulty 3/5
An oxide of iron contains 69.9% iron and 30.1% oxygen by mass (atomic masses: Fe = 56, O = 16). Its empirical formula is:
- A. FeO
- B. Fe₃O₄
- C. FeO₂
- D. Fe₂O₃
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Some Basic Concepts of Chemistry NEET questions are available?
NeetVellum publishes 100 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Some Basic Concepts of Chemistry for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.