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Q. Show the basic stucture of Esters?
Ans.
Esters have the general formula RCOOR'. Both R and R' are alkyl groups.
Esters have the ester functional group:
Animal fats, vegetable oils, and beeswax are examples of substances that contain esters. The following table shows some examples of esters:
Esters usually have a pleasant fragrance. Esters can be made by reacting an alcohol with an acid. As shown in the following diagram, the simplest ester can be made from methanol and formic acid:
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
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Q. Show the Relationship between matter and energy? Ans. Albert Einstein described an intricate relationship between matter and energy. It is summarized in the famous for
Mixtures can always be separated by physical means. Describe how you would separate the components in a mixture of table salt and sand.
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