Chemistry jamb 2004

Oxyacetylene flame is used for iron-welding because it

a

Makes the iron metals solidify very quickly

b

Combines with oxygen to give a pop sound

c

Evolves a lot of heat when burnt

d

Dissociates to produce carbon (IV) oxide and oxygen

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Explanation

Correct Option
c

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Samuel Benson
10 years ago

Ans. C ............as much heat is required to melt the iron

Groovy17
2 years ago

Ethyne is used in the oxyacetylene flame which is used for the welding of metals. The industrial name of ethyne is acetylene. Ethyne burns readily in oxygen, releasing enormous amount of heat, hence it can be used in cutting and welding metals

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