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ECAT Practice Chemistry Chemical Equilibrium MCQs Test 5
ECAT Quiz
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ECAT Practice Chemistry Chemical Equilibrium MCQs Test 5

Practice ECAT 2026 Practice Test Chemistry MCQs from Chemical Equilibrium. Get instant results with Explanation.
Practice Quiz 5 for "Chemical Equilibrium" (Chemistry). Total 61 MCQs available, split into 7 quizzes. Test your understanding of core concepts. This area is highly tested in ECAT.
General10 MCQs
1. The pH of a 0.01 M HCl solution is approximately:
2. The pH of a 0.01 M NaOH solution is approximately:
3. The pH of a 0.1 M acetic acid (Ka=1.8×10⁻⁵) is approximately:
4. A salt of a weak acid and strong base (e.g., sodium acetate) will hydrolyze to give a solution that is:
5. A salt of a strong acid and weak base (e.g., ammonium chloride) will hydrolyze to give a solution that is:
General10 MCQs
6. A salt of a strong acid and strong base (e.g., NaCl) will give a solution that is:
7. The pH of a buffer solution is determined by the ratio of concentrations of weak acid and its conjugate base. This is given by the:
8. A buffer solution is most resistant to pH change when the ratio of salt to acid is close to:
9. The equilibrium constant for the reaction A ⇌ B is K. If the reaction is reversed and multiplied by 2, the new equilibrium constant is:
10. For the reaction 2SO₂ + O₂ ⇌ 2SO₃, increasing pressure will:

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Frequency: Quarterly | Time: 100 Minutes
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Merit Formula: Typically, the aggregate is calculated as: (ECAT × 33.33%) + (FSc Part-I × 16.67%) + (Matric × 50%). However, the respective university may revise its merit calculation formula or admission criteria from time to time. Please confirm the official criteria before applying.

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