Which material is used for making the central rod in an electric cell?

a. copper b. carbon c. aluminium d. iron

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride