Reason (R): Because of the washing with the water necessary and essential tones of colour remains on the surface.
A. (A. is correct and (R) is incorrect.
B. (A) is correct and (R) is correct.
C. (A) is incorrect and (R) is correct.
D. (A) is incorrect and (R) is incorrect.
Answer:B
Reason (R): Because of the washing with the water necessary and essential tones of colour remains on the surface.
A. (A. is correct and (R) is incorrect. B. (A) is correct and (R) is correct. C. (A) is incorrect and (R) is correct. D. (A) is incorrect and (R) is incorrect.