Science, asked by Sithara9341, 7 months ago

1. Identify the solutions used to test the
presence of proteins​

Answers

Answered by sushantakumarmaity39
0

Explanation:

टेक अ स्मॉल क्वांटिटी ऑफ फूड आइटम्स फॉर टेस्टिंग इज द फूड यू वांट टू टेस्ट इन सॉलिट्यूड फंसी टू मेक अप वेस्ट ऑफ यौर पाउडर रेट ग्रेटेस्ट मैसेज स्मॉल क्वांटिटी ऑफ द फूड आइटम को टर्न ऑफ दिस इज अ प्रिंटर 380 ड्रॉप्स ऑफ वाटर एंड सेफ्टी प्यूबीजी ड्रॉप ड्रॉप सॉल्यूशन ऑफ कॉपर सल्फेट सलूशन ऑफ कोटा टूरिस्ट यू शेप ऑफ़ यू व्हाट डू यू से पोयम

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Answered by saivaruntej11
0

Explanation:

Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple Following steps are used to test if a food item contains protein.

1) Take a small quantity of the food items to be tested.

2) Grind/mash the food item.

3) Put the food item into a test tube.

4) Add 10 drops of water and shake the test tube.

5) Add two drops of copper sulphate solution to the test tube, using a dropper.

6) Add 10 drops of caustic soda solution using a dropper and shake the test tube.

7) Let the test tube rest in a test tube stand for a few minutes.

8) Observe the colour of the mixture.

9) Violet colour indicates the presence of proteins in the tested food item.

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