Questions

Farsightedness is more properly called Hyperopia.

The reactivity of an atom arises from the existence of unpaired electrons in the valence shell.

Yes, Carbon disulfide is prepared by heating sulfur and charcoal. 

S2 + C ----> CS2

In the middle of the 6th centuryB.C, a powerful empire was established in Iran this empire which lasted over two centuries is known as the Achaemenid Empire. The founder of this Empire was Cyrus with his capital at pasargadae. In 539 B.C, cyrus defeated the Babylonians and extended his empire over a vast territory up to Asia Miner. His successor was Darius I (522-486 B.C).

ATP is a Adenosine Triphosphate.

ATP is 3 Phosphate groups attached to a Ribose attached to Adenine.

Helium has the lowest freezing point of all the elements. When coming to metals, mercury has the lowest freezing point of all the metals.

Prime Minister Narendra Modi and Paytm founder Vijay Shekhar Sharma.