Identify example of sorption from following.

Which from following carbohydrates produces double quantity of glucose on hydrolysis per mole as compared with sucrose?

In ionic solid, anions are arranged in ccp array and cations occupy $1 / 3$ tetrahedral voids. What is the formula of ionic compound?

[Consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]

Which of the following is NOT dihydric phenol?