Questions

Intersection method of expressing direction is indicated in the illustration.

Yes, all the above given sentences have an interjection.

1. Hey ! is an interjection in the sentence , Hey!, where did I park my car? 

2. Well is an interjection in the sentence, Well!, that's a relief.

3. Oh! is an interjection in the sentence , Oh!, now I remember where i put my wallet.

The "City of Wars" is Panipat because three battles were done in panipat.

A colored ion generally indicates a transition metal.

Sir Francis Drake was the first Englishman to sail around the world.

Friend is a person with whom one has a bond of mutual affection, typically one exclusive of sexual or family relations.

Other names for friend are mate, bosom friend, classmate, buddy, ally,...