Mixed Practice – Numerical Problems
Chemistry · Grade 11 · Week 51 · 25 questions
Mixed Practice is a core Grade 11 chemistry chapter covering Numerical Problems. Clear understanding here pays off in competitive exams (JEE/NEET) where speed matters.
What you'll practise
- Identify Numerical Problems
- Work through NCERT intext examples and exercise questions for mixed practice
- Apply mixed practice concepts to NCERT exercise and exemplar problems
All 25 questions in this Mixed Practice – Numerical Problems quiz
Grade 11 Chemistry — Mixed Practice – Numerical Problems: 25 practice questions with instant scoring and explanations.
- 5 g of NaOH in 500 mL solution; molarity:
- Moles in 44 g CO₂:
- Mass of 0.5 mol H₂O:
- Molecules in 2 mol O₂:
- Volume of 2 mol CO₂ at STP:
- pH of 0.01 M HCl:
- pH of 0.01 M NaOH:
- [H⁺] in solution of pH 3:
- Ka of acid (Ka=10⁻⁵) and 0.1M acid, [H⁺] ≈
- Ksp of AgCl = 1.8×10⁻¹⁰; solubility:
- ΔH = −100 kJ, ΔS = −200 J/K at 300 K; ΔG:
- Bond energy: H-Cl 431, H-H 436, Cl-Cl 242 kJ/mol; ΔH of H₂+Cl₂→2HCl:
- 2 mol ideal gas at 300 K, 2 atm; V:
- Kc = 4 for A⇌B at T; at equilibrium [A]=0.5, [B]:
- Half-life of first-order reaction with k=0.1/s:
- Enthalpy of neutralisation of strong acid + strong base:
- Equivalent mass of H₂SO₄:
- n-factor of KMnO₄ in acidic medium:
- 1 mole electron = charge:
- Atoms in 24 g Mg (M=24):
- Molality of 1 m NaCl in 1 kg water means:
- % by mass of NaCl in 5 g NaCl + 95 g water:
- Normality of 0.5 M H₂SO₄:
- Mole fraction of water in 18 g H₂O + 46 g C₂H₅OH:
- For reaction 2A+B→C, if rate=k[A]²[B], order is:
Question 1 of 250 correct so far