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Easy Chemical principles involved in experiments: Enthalpy of solution of CuSO4, Enthalpy of neutralization of strong acid and strong base, Preparation of lyophilic and lyophobic sols, Kinetic study of the reaction of iodide ions with hydrogen peroxide at room temperature MCQs for JEE

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Part of Principles Related to Practical Chemistry in JEE Main Chemistry.

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Q1ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following statements is NOT TRUE in respect of hydrophilic sols?
Q2ChemistryUnit 20: Principles Related to Practical Chemistry
Examples of Iyophilic colloids are: This question has multiple correct options
Q3ChemistryUnit 20: Principles Related to Practical Chemistry
When a small quantity of FeCl\boldsymbol{F e C l} la solution is added to the fresh precipitate of Fe(OH)3,\boldsymbol{F e}(\boldsymbol{O H})_{3}, a colloidal sol is obtained. The process through which this sol is formed is known as:
Q4ChemistryUnit 20: Principles Related to Practical Chemistry
Which sol can be prepared directly by mixing the dispersed phase with dispersion medium?
Q5ChemistryUnit 20: Principles Related to Practical Chemistry
Rain water harvesting is:
Q6ChemistryUnit 20: Principles Related to Practical Chemistry
On adding few drops of dilute HClH C l or FeCl3\boldsymbol{F} \boldsymbol{e} \boldsymbol{C l}_{3} to freshly precipitated ferric hydroxide, a red coloured colloidal solution is obtained. This phenomenon is known as:
Q7ChemistryUnit 20: Principles Related to Practical Chemistry
Freshly prepared precipitate sometimes gets converted to colloidal solution by:
Q8ChemistryUnit 20: Principles Related to Practical Chemistry
Which of the following is not the correct difference between I yophobic and Iyophilic sols?

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