MCQ
Select the correct statement
- A$O_3$ is dry bleaching agent
- ✓Phosgene, tear gas and mustard gas all are Non poisonous
- CSulphuric acid is used in petrolium refining
- DBoth $(A)$ and $(B)$ are correct
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$(a)\, \Delta U = 0$
$(b)\, q = 0$
$(c)\, \Delta T = 0$
$(d)\,q = 2.303\,nRT\,{\log _{10}}\,\left( {\frac{{{V_2}}}{{{V_1}}}} \right)$