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Carbon and its Compounds: CBSE Class 10 NCERT Solution

Oct 10, 2014 14:53 IST

    Find CBSE Class 10 NCERT Solutions for Carbon and its Compounds. It has been framed keeping the Students' perspective in mind. This will help the Students with easy and simple understanding of the concept and technique employed in solving this NCERT Solution as per the CBSE Marking Scheme.

    Q. Would you be able to check if water is hard by using a detergent?

    Sol: No, we can’t use detergents for checking if water is hard as we know that detergents are sulphonate salts of long chain carboxylic acids. They do not react with calcium and magnesium ions present in hard water to form scum. They give lather with hard as well as soft water. This means that detergents can be used in both soft and hard water.

    Q. What change will you observe if you test soap with litmus paper (red and blue)?

    Sol: Soap is basic in nature. Thus, it turns red litmus blue. The colour of blue litmus will remain blue.

    To get the Complete NCERT Solution, Click Here

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