धात्विक नाइट्रेट \( \stackrel{\text { ऊष्मा }}{\longrightarrow} \) ठोस \( +\mathrm{NO}_{2}+\frac...
0धात्विक नाइट्रेट \( \stackrel{\text { ऊष्मा }}{\longrightarrow} \) ठोस \( +\mathrm{NO}_{2}+\frac{1}{2} \mathrm{O}_{2} \)
\( (P) \)
पीला अवक्षेप
\( \int_{\mathrm{K}_{2} \mathrm{CrO}_{4}}^{\text {विलयन }} \longleftrightarrow \) विलयन
\( (\bar{\nabla}),(\bar{\jmath}),(\bar{c}) \) एवं () क्या हैं?
\( (R) \)
(A) \( \begin{array}{cccc}\boldsymbol{P} & \boldsymbol{Q} & \boldsymbol{R} & \boldsymbol{S} \\ \mathrm{Be}\left(\mathrm{NO}_{3}\right)_{2} & \mathrm{BeO} & \mathrm{BeCO}_{3} & \mathrm{BeCrO}_{4}\end{array} \)
(B) \( \begin{array}{clcc}\boldsymbol{P} & \boldsymbol{Q} & \boldsymbol{R} & \boldsymbol{S} \\ \mathrm{NaNO}_{3} & \mathrm{Na}_{2} \mathrm{O} & \mathrm{Na}_{2} \mathrm{CO}_{3} & \mathrm{Na}_{2} \mathrm{CrO}_{4}\end{array} \)
(C) \( \begin{array}{cccc}\boldsymbol{P} & \boldsymbol{Q} & \boldsymbol{R} & \boldsymbol{S} \\ \mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2} & \mathrm{BaO} & \mathrm{BaCO}_{3} & \mathrm{BaCrO}_{4}\end{array} \)
(D) \( \begin{array}{clll}\boldsymbol{P} & \boldsymbol{Q} & \boldsymbol{R} & \boldsymbol{S} \\ \mathrm{KNO}_{3} & \mathrm{~K}_{2} \mathrm{O} & \mathrm{K}_{2} \mathrm{CO}_{3} & \mathrm{~K}_{2} \mathrm{CrO}_{4}\end{array} \)
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