Zinc is used to protect iron from corrsion because zinc is
Answer»
more electropositive than iron CHEAPER than iron a bluish white metal a good conductor of heat and ELECTRICITY
SOLUTION :Alkali metals Caesium has lowest melting point . Caesium is a CHEMICAL element with symbol Cs and atomic number 55 . Alkali metals are very reactive , electropositive , monovalent metals forming strongly alkaline hydroxides.