Railway Group D Science Mock Test in Hindi
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Question -
1
विरंजक चूर्ण स्वयं अपघटित होकर निर्मित करता है
CaCl
2
, Ca(CIO
3
)
2
CaO, CaCl
2
Ca(CIO
3
)
2
, CrO
CIO
2
, CaO
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