MCQ
Changes in the chemical nature of Taj Mahal is due to :
- AChemical from oil refinery.
- ✓Acid rain.
- CFloods from river Yamuna.
- DRise in temperature.
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(Nearest integer)
(Use : $\Delta_{\mathrm{c}} \mathrm{H}($ glucose $)=-2700\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}$ )
| Column $-I$ | Column $-II$ |
| $(A)$ Ionisation potential | $(P)\; O < F < N$ |
| $(B)$ Electronegativity | $(Q)\; N < O < F$ |
| $(C) \;Z_{eff}$ | $(R) \;O < N < F$ |
| $(D)$ Electron affinity | $(S)\; N < C< O$ |
