Teaching Bihar Sakshamta Pariksha (Niyojit Shikshak) Mock Test 2024 General Science Chemistry Periodic Table
The correct chemical formula of calcium nitrate and potassium dichromate are respectively:
1
Ca2(NO3)2 & K(Cr2O7)2
2
Ca2No3 & K2(Cr2O7)2
3
Ca(NO3)2 & K2Cr2O7
4
CaNO3 & K2Cr2O7