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. Ammonium dichromate is used in fireworks. The green coloured powder blown in the air is a) CrO3 b) Cr2O3 c) Cr d) CrO (O2)

dheeraj reddy , 8 Years ago
Grade 12th pass
anser 3 Answers
samyak jain
it is also the laboratory method for the preparation of N2 gas..which produces Cr2O3...green in color..
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Last Activity: 8 Years ago
upasana
on thermal decomposition yields Cr2O3..... nitrogen gas and water.... and hence gives green colour in the air
Last Activity: 7 Years ago
Md hasan
The right answer is (2) Cr2O3.....because ammonium dichromate on thermal decomposition yield Cr2O3 with nitrogen gas and water.....Cr2O3, is green in colour.
Last Activity: 7 Years ago
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