MCQ
Mixture used for the tips of match stick is
- A$S + K$
- B$S{b_2}{S_3}$
- ✓${K_2}C{r_2}{O_7} + S + $ red $P$
- D${K_2}C{r_2}{O_7} + K + S$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $I$ | $II$ | |
| $[Cr(H_2O)_6]^{+2}$ | $[Cr(H_2O)_6]^{+3}$ | $(a)$ |
| $[Fe(H_2O)_6]^{+3}$ | $[Fe(CN)_6]^{-3}$ | $(b)$ |
| $[Fe(CN)_6]^{+3}$ | $[Ru(CN)_6]^{-3}$ | $(c)$ |
| $[NiF_6]^{-4}$ | $[NiF_6]^{-2}$ | $(d)$ |
