Chemistry · Chemical Formulae
The correct chemical formulas of calcium nitrate and potassium dichromate are respectively:
- 1CaNO3 and KCr2O7
- 2Ca(NO3)2 and K2Cr2O7✓
- 3Ca2NO3 and K2(Cr2O7)2
- 4Ca2(NO3)2 and K(Cr2O7)2
Correct answer
Ca(NO3)2 and K2Cr2O7
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