Which of the following is Lindlar catalyst?

Given below are two statements :

Statement I : Both CaCl₂ . 6H₂O and MgCl₂ . 8H₂O undergo dehydration on heating.

Statement II : BeO is amphoteric whereas the oxides of other elements in the same group are acidic.

In the light of the above statements, choose the correct answer from the options given below :

Which among the following pairs of Vitamins is stored in our body relatively for longer duration?

The process that involves the removal of sulphur from the ores is :