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Quantitative Estimation of Amino Acids by Ninhydrin
1)The amino acids which give purple colour with ninhydrin are: 

2)The principle of colorimeter is: 

3)The reduced form of ninhydrin is called: 

4)The amino acid proline gives which colour in ninhydrin test? 

5)What is the complementary colour of purple? 

6)Tertiary amines react with ninhydrin to produce purple colour: 

7)Is Ninhydrin a reducing agent or an oxidizing agent? 

8)What are the two basic reactions accompanying the formation of hydridantin? 


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