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Byju's Answer
Standard XII
Chemistry
Hardness of Water and Treatment
With Cr 2 O...
Question
With
C
r
2
O
3
, colour of the bead in sodium carbonate bead test is:
A
red
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B
blue
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C
yellow
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D
green
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Solution
The correct option is
D
green
With
C
r
2
O
3
, the colour of the bead in sodium carbonate-bead test is green.
Hence, the correct option is (d).
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