Q6Multiple choice
Given below are the steps to test the presence of proteins in a food item: (i) Take a small quantity of the food item in a test tube, add 10 drops of water to it and shake it. (ii) Make a paste or powder of food to be tested. (iii) Add 10 drops of caustic soda solution to the test tube and shake well. (iv) Add 2 drops of copper sulphate solution to it. Which of the following is the correct sequence of the steps?
- (a)i, ii, iv, iii
- (b)ii, i, iv, iii
- (c)ii, i, iii, iv
- (d)iv, ii, i, iii
Show answer
(b) ii, i, iv, iii