The word Impeccable (Adjective) means: without mistakes or fault; perfect.

Correct Option: A

The word Impeccable (Adjective) means: without mistakes or fault; perfect. Hence, its antonym should be faulty.

The word Influx (Noun) means: the fact of a lot of people, money or things arriving somewhere.

Correct Option: D

The word Influx (Noun) means : the fact of a lot of people, money or things arriving somewhere.
The word Exodus (Noun) means : a situation in which many people leave a place at the same time.

The word Amalgamate (Verb) means: merge; to put two or more things together so that they form one; assimilate.

Correct Option: A

The word Amalgamate (Verb) means : merge; to put two or more things together so that they form one; assimilate.
Its antonym should be separate which means : to divide into different parts or groups; to move apart.

The word Liberty (Noun) means: freedom to live as you choose without too many restrictions from government or authority.

Correct Option: B

The word Liberty (Noun) means: freedom to live as you choose without too many restrictions from government or authority.
The word slavery (Noun) means: state of being a slave: a system of legally owning another person and forcing to work for them.

The word Orderly (Adjective) means: arranged or organised in a neat, careful and logical way; tidy; behaving well.

Correct Option: D

The word Orderly (Adjective) means: arranged or organised in a neat, careful and logical way; tidy; behaving well.
The word Chaotic (Adjective) means: in a state of complete confusion and lack of order.