Question

The diagram shows a chromatogram of several inks.
Black Blue Brown Green Red Yellow
Which statement is correct ?
a) Black ink can be made by mixing green, red and yellow inks.
b) Brown ink can be made by mixing blue and yellow inks.
d) Yellow ink can be used to make brown ink.
d) Yellow ink may be present in green ink.​

Answer 1

Answer:

a) and b)

Explanation:

this because (1) green+yellow = blue+ red= black

(2) yellow+blue= green

HOPE THIS WOULD BE HELPFUL

Answer 2

Answer: D is correct

Explanation:

As we can see that yellow is present in green and in black ink red is not present so a in not correct. Then in brown ink blue is not present so b is also wrong. c part is also wrong as yellow is not present in brown.

Hope it helps.