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CBSE Class 12 Chemistry Practice Paper: Set-VI

Nov 16, 2015 18:19 IST

    Find CBSE Class 12 Chemistry Practice Paper (Set-VI) for the coming exam. This paper contains important questions from the chapters: Surface Chemistry and General Principles and Processes of Isolation of Elements of Chemistry.  These questions will not only help the students to prepare for exams in a better manner, but will also help them in understanding the depth with which a topic should be studied.

    Few Sample Questions from this paper are as follows:

    Q. How does a peptizing agent help to convert the precipitate into colloidal solution?

    Q. What is wrought iron?

    Q. Write the difference between  physisorption and chemisorptions. Of the two, which has a higher enthalpy of adsorption?

    Q. What are emulsions? What are their different types? Give one example of each type.

    Q. Describe the principle of froth floatation process. What is the role of collectors and stabilizer in this process? Why is this process suitable for the concentration of sulphide ores?

    Click Here, To Get the Complete Practice Paper

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