Q 47 and 48 pls
47 Ans: As it forms two chlorides, then it has valency 2 and 3 both, therefore it will be iron.
a) Fe2O3 is rich in Ore 'Hematite'
b) Hematite is not attacked by water
c) It forms two chlorides FeCl2 and FeCl3
48 Ans: It will be Calcium because CaO has a high melting point of 2,572 °C and is also soluble in water.
a) Fe2O3 is rich in Ore 'Hematite'
b) Hematite is not attacked by water
c) It forms two chlorides FeCl2 and FeCl3
48 Ans: It will be Calcium because CaO has a high melting point of 2,572 °C and is also soluble in water.