1.

Which one of the followingmetal , is extraced on smeltingof its ore in blast furnance ?

Answer»

IRON
Sodium
Potassium
magnesium

Solution :When smelting is done in a blast furnance the METAL extractedis iron which is SHOWN by the following REACTION .
`Fe_(2)O_(3) +3C overset( gt 1123K)to 2Fe+3CO`
`Fe_(2)O_(3)+3CO overset(1123K)to 2Fe+3CO_(2)`


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