Question

Sumit performed the scratch test with three types o
minerals X, Y and Z and the results are shown here
Y
-Z
X
SS
Scratch
marks
No scratch
marks
SSS
Z
Scratch
marks
Select the option that correctly arranges these mineral
in ascending order of hardness.
A. X<YCZ
B. ZKY < X
C. Z< X<Y
D. Y<Z<X​

Answer 1

c think right answer but not कन्फर्म