नीला थोथा रासायनिक रुप से � – McqOptions

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1.	नीला थोथा रासायनिक रुप से हैं -
A.	सोडियम सल्फेट
B.	निकल सल्फेट
C.	कॉपर सल्फेट
D.	आयरन सल्फेट
Answer» D. आयरन सल्फेट

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