MCQ
Which of the following does not uses formaldehyde in its preparation?
- AMelamine polymer
- BBakelite
- ✓$\text{PHBV}$
- DPreservation of biological specimens.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$E^o_{Cr^{3+}/Cr} =-0.74\, V,\,$ $E^o_{MnO_4^-/Mn^{2+}} =1.51 \,V$
$E^o_{Cr_2O_7^{2-}/Cr^3+} =1.33\,V:$ $E^o_{Cl/Cl^-} =1.36\,V$
Based on the data given above, strongest oxidising agent will be :
Choose the correct answer from the options given below:
In the given reaction sequence $B$ and $C$ are :
$\mathop {\lim }\limits_{{X_A} \to 0} \left ( \frac{P_B^0}{X_B} \right )$ and $\mathop {\lim }\limits_{{X_B} \to 0}\left ( \frac{P_A^0}{X_A} \right )$ are