Question

Four samples, P, Q, R, and S, were analysed using paper chromatography to check the presence of three different additives, X, Y, and Z.
The final chromatograms are shown as:

Read the following statements carefully.
I. P contains three components, out of which one is X.
II. S contains only one component, which is X.
III. Q contains two components, which are X and Z.
IV. R contains two components, out of which one is Y.
The correct statements are:

• A. II and IV
  
  
  
• B. I, II, III, and IV
• C. I and III
• D. I, II, and IV

Answer 1

The correct option is D I, II, and IV

I, II, and IV are the correct statements, while III is incorrect. Sample Q contains two components, and none of them is X, Y, and Z.