How many of the following show variable oxidation states in their compounds? \( \mathrm{Sc}, \ma... VIDEO
How many of the following show variable oxidation states in their compounds? \( \mathrm{Sc}, \mathrm{Cr}, \mathrm{Cu}, \mathrm{Zn}, \mathrm{Fe}, \mathrm{Hg} \), \( \mathrm{La} \)https://bit.ly/YTAI_PWAP https://www.pw.live
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\[
\begin{array}{l}
\mathrm{FeCr}_{2} ... 2023-06-09 Match the salts/mixtures listed in column-I with their respective names listed in column-II.
\be... 2023-06-09 \[
\mathrm{FeC}_{2} \mathrm{O}_{4} \stackrel{\Delta}{\longrightarrow} \text { products. }
\]
Num... 2023-06-09 \( \begin{array}{l}\mathrm{KMnO}_{4} \frac{\mathrm{H}^{+}}{\text {Reducing Agent }} \longrightar... 2023-06-09 Match the columne:
\begin{tabular}{|c|c|c|l|}
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