Question
Given below are two statements: one is labelled as
Assertion A and the other is labelled as Reason R. Assertion A: The colloidal surfaces of humus are negatively charged. Reason R: The negative charges arise from exposed functional groups like hydroxyl, carboxylic or phenolic. In the light of the above statements, choose the most appropriate answer from the options given below:Solution
Both the assertion and reason are correct.
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The current window that is being used is known as __________
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Which of the following statements is true?
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