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Mdcat-past-papers Quiz

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3781. Which of the following is not a use of buffer solution?



3782. The pH range of human blood is:



3783. Buffer capacity is maximum when both components have:



3784. Which of the following is a strong electrolyte in solution?



3785. Purification of NaCl by passing HCl gas into its saturated solution demonstrates:



3786. A buffer solution is not formed by:



3787. An acidic buffer consists of:



3788. The pH of human blood is:



3789. Which one of the following is the correct presentation for Ksp? AgCl ⇌ Ag⁺ + Cl⁻



3790. The value of Ksp for PbSO₄ at 25°C is:



3791. The product of ion concentrations of a sparingly soluble salt, each raised to its power at 298K is:



3792. Precipitation occurs if the ionic concentration is:



3793. The solubility product (Ksp) predicts whether:



3794. If the value of Ksp is large, the salt is:



3795. The value of solubility product (Ksp) depends only on:



3796. If solubility of PbS at 25°C is 4.0 × 10⁻²⁸, then ionic concentration is:



3797. In an oxidation reaction, atoms of an element lose electrons and increase in:



3798. In MgCl₂, the oxidation state of Cl is:



3799. Which one of the following is a redox reaction?



3800. In SO₃²⁻, the oxidation number of sulphur is: