Question

6. Given below are the steps to test the presence of proteins in a food item
11.
(11) 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) (1). (1). (iv). (1)
(b) (i), (i), (iv), (III)
(c) (10). (). (). (iv)
(d) (iv), (11), (i), (110)
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Answer 1

well I understood your questions but I didn't quite understand the answers