passpadi

2004

Chemistry

67ca00ce0c643c71d77dee1f

Oxyacetylene flame is used for iron-welding because it

A.

makes the iron metal solidity 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

Correct Answer: Evolves a lot of heat when burnt

Explanation

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