Question

8. Complete the following paragraph with the appropriate words. Take 2 ml of (i)_____in a test-tube. Add a few drops of dilute (ii)____ solution into it. Then, add 2 - 3 drops of (iii)____ solution and shake the test- tube. We can observe a (iv)____ color appearing in the solution. This shows that (i)____ contains proteins. (1 Mark) *
Choose the correct options for (i), (ii), (iii) and (iv).

(a) (i) - butter, (ii) - Sulphuric acid, (iii) - Sodium hydroxide, (iv) - green,

(b) (i) - milk, (ii) - Sodium hydroxide, (iii) - Copper sulphate, (iv) - purple/violet

(c) (i) - milk, (ii) - Sodium hydroxide, (iii) -Sodium hydroxide, (iv) - blue

(d) (i) - potato, (ii) - Sodium hydroxide, (iii) - iodine, (iv) - red,
(e) None of these

Answer 1

Answer:

d is the correct answer I think