Questions

The reason why drunk people acts like stupids is when they drink, especially if they drink a lot, first their brain becomes impaired by such large quantities of alcohol that it cannot operate properly. So they cannot judge anything.

Hence, Alcohol first impairs your Judgement.

Each model of a computer has a unique machine language.

The answer is EDUCATION

4,5,6 make up the word cat,

7th is 'i' which means me,

3rd letter is 'u' which mean you,

2,8,9,1 make up the word done, which means completed

and nobody can read without education.

Magma is injected into surrounding rock forming an igneous intrusive.

Actually it is a plutonic formation in which magma present beneath Earth surface deforms the shape of rocks present above it
 

Molecular compounds are those with covalent bonds between the elements and those elements are typically non metals.

Here in the given options, Ar is an element. NaI has an ionic bond. Hence, N2O4 has a covalent bond between the two non metals and is a molecular compound.