Which of the following is the correct order of acidic strength?

Which of the following oxides is most amphoteric?

Given below are two statements :
Statement $I$ : An element in the extreme left of the periodic table forms acidic oxides.
Statement $II$ : Acid is formed during the reaction between water and oxide of a reactive element present in the extreme right of the periodic table.
In the light of the above statements,choose the correct answer from the options given below :

Which of the following elements is considered as a metalloid?

In which of the following are the elements in the correct order of their chemical reactivity in terms of oxidizing property?

Which of the following elements forms an acidic oxide?