Beta, maine yeh reaction nahi rati thi, maine samjhi thi!
Cr2O7 2- mein Cr ka +6 hota hai, kyunki oxygen -2 leta hai aur total charge diya hai.
Yeh sab yaad karne se zyada, meri chutney ke business mein amla rust (oxidation) se kaise bachaye, woh aata hai mere ko.
Parantu exam ke liye, practice aur periodic table ki madad se tum khud nikaal loge.
#fantasy-sport#team-selection
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