How is ‘cast iron’ different from ‘pig i...

How is ‘cast iron’ different from ‘pig iron”?

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the iron obtained from blast furace is called pig iron , it contaiond about 4 % carbon and many other impuriites in amaller amount (eg.s ,p,Si and Mn ) Cast iron is made by melting pig iron wit scraap iron and coke using hot air it has silghtly lower carbon content (about 3 %) and is extremely hard and brittle .

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Cast iron is

made by melting pig iron with scrap iron and coke using hot air blast

having slightly lower carbon content (about 3%) as compared to pig iron

extremely hard and brittle

All of the above statements are true

Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon content.

Statement -1 is true, Statement-2 are true and Statement-2 is the correct explanation of Statement -1

Statement -1 is true, Statement-2 are true and Statement-2 is not a correct explanation of Statement -1

Statement-1 is true but Statement -2 is false

Statement-1 is false but Statement -2 is true

Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon content.

Statement -1 is true, Statement-2 are true and Statement-2 is the correct explanation of Statement -1

Statement -1 is true, Statement-2 are true and Statement-2 is not a correct explanation of Statement -1

Statement-1 is true but Statement -2 is false

Statement-1 is false but Statement -2 is true

How is ‘cast iron’ different from ‘pig iron”?

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Cast iron is

Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon content.

Statement-1:Cast iron is different from pig iron. Statement-2: Cast iron is made by melting pig iron with scrap iron and coke using hot air blast and has about 3% carbon content.

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NCERT-GENERAL PRINCIPLES AND PROCESSESS OF ISOLATION OF ELEMENTS -Exercise