Question

answer, the no. c to g
plz quickly
it is important

Answer 1

C. copper cannot replace iron from its salt solution because copper is less reactive then iron and only a more reactive metal can replace a less reactive metal.

D. copper and silver both are good conductors of electricity but copper is used for making electrical wires because it is cheaper then silver and is easily available.

E. cooking utensils are made of metals because metals conducts heat and heat is needed to cook food but handles are made of wood so that we can hold the utensil if handles will also be made of metal we will not be able to hold the utensils with bare hands.

F. this is done to prevent sodium from coming in contact with oxygen and moisture, If this happens, it will react with the moisture present in air and form sodium hydroxide.and this is a strongly exothermic reaction.

G. white phosphorus is kept under water because it is dangerously reactive in air.