I believe it is NaCl(aq) + H2O
Alkali Metals (Group 1) elements experience an increase in the vigour of their reaction in water as they go down the group (as the atomic number increase). As such the most reactive Alkali Metal would be
FRANCIUM, which is at the base of Group One.
Quite frankly, you do not want Francium to react with water- that's a huge explosion on your hand.
Option a) H-H is the correct answer
it will sink
Explanation:
the solid iron will sink because it is dense than the liquid iron I will sink and it will melt