What is po box Pakistan?

Pak Post offers the post box rental services at major urban centers. All fully prepaid unregistered letters, postcards, newspapers, packets, intimations a...

Is KBr ionic or covalent?

KBr is an ionic compound. Ionic compounds are also known as salts. Is HBr ionic or covalent? Therefore the HBr gas has a covalent bond polarized and the h...