Question

(a)What are main ores of iron
(b) What is pig iron and cast iron .
(c) Give the uses of cast iron .​

Answer 1

Answer:

(a) main ores of iron .

(1) Haematite --- Fe2O3

(2) Magnetite -----Fe3O4

(b)

(1)Pig iron

:- The iron obtained from blast furnace contains about 4% carbon and many impurities in smaller amount is known as pig iron .

Pig iron contains 92-94% iron .

(2) Cast iron :-

It is obtained by passing a blast of hot air through the molten mixture containing pig iron , scrap iron and coke . molten cast iron can be cast into any shape .

(c) uses of cast iron :- Cast irom is used for casting various shaped articles ,such as radiators ,stools , pipes and agricultural implements.

___________________________

Hope it's helpful

#Answerwithquality&#BAL