730. An orange coloured solution acidified with H2SO4 and
'treated with a substance 'X' gives a blue coloured solution
of CrOs. The substance X' is:
(a) H2O
(b) H2O2
(c) dil. HCI NH2 NM 2 (d) conc. HCI
sind .. ic.
Answers
Answered by
3
Answer:
its (d)Concentrated hydrochloric acid
Answered by
0
Answer:
(b) H2O2 is the answer
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