MCQ
The blotting paper absorbs liquids because :
- ✓It has got small pores.
- BIt is white.
- CAn absorbing chemical is mixed.
- DAn absorbing chemical is mixing
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$(A)$ $\sigma$ orbital has a total of two nodal planes.
$(B)$ $\sigma^*$ orbital has one node in the $x z$-plane containing the molecular axis.
$(C)$ $\pi$ orbital has one node in the plane which is perpendicular to the molecular axis and goes through the center of the molecule.
$(D)$ $\pi^*$ orbital has one node in the $x y$-plane containing the molecular axis.
