Some Basic Concepts – Dalton's Theory, Atomic/Molecular Masses, Mole Concept

Grade 11 Chemistry — Some Basic Concepts – Dalton's Theory, Atomic/Molecular Masses, Mole Concept: 25 practice questions with instant scoring and explanations.

1. Dalton's atomic theory assumes:
2. Atomic mass unit (u) defined as:
3. Incorrect about Dalton's theory:
4. Average atomic mass based on:
5. One mole contains:
6. H₂SO₄ molar mass:
7. Avogadro's number:
8. Moles in 18g H₂O (M=18):
9. Atoms in 2 mol O₂:
10. Relative atomic mass vs:
11. NaCl molar mass:
12. Grams in 1 mole CO₂ (M=44):
13. CaCO₃ molecular mass:
14. Dalton explained laws of:
15. Molar quantity represents:
16. Moles in 3.2g O₂ (M=32):
17. C₆H₁₂O₆ empirical mass:
18. Molecules in 1 mole H₂O:
19. Gas molar volume STP:
20. Grams in 0.5 mol H₂ (M=2):
21. Mass difference from:
22. Dalton introduced:
23. 1 mole C-12 mass:
24. Moles in 4.4g CO₂ (M=44):
25. Relative molecular mass sum of: