Q) Which species of chromium is toxic in water?
Options:
A)Cr+2
B) Cr+3
C) Cr+6
D) Cr0
Which species of chromium is toxic in water? [5746]
Q) Which species of chromium is toxic in water?
Options:
A)Cr+2
B) Cr+3
C) Cr+6
D) Cr0
ans. B is correct