Which of the following combination of gases is used for metal welding? i. Oxygen and ethyne, ii. Hydrogen and ethyne, iii. Hydrogen and oxygen, iv. Ethyne, hydrogen and oxygen.
a
i and ii
b
ii and iv
c
i and iii
d
ii and iv
Explanation
Correct Option
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Discussions (6)

Ikoifrancisusang
5 years ago
Oxyacetylene flame: oxygen and ethyne
Oxyhydrogen flame: oxygen and hydrogen
The duo are used in metal welding
nb: there isn't such thing as hydrogen and ethyne, we aren't performing an addition reaction. Please make necessary corrections!

Primus113
5 years ago
oxygen and hydrogen combines to form = *OXY-HYDROGEN FLAME*
oxygen and ethyne combines for form = *OXY-ETHYNE FLAME*
C


Solzzz
3 years ago
There is nothing like hydrogen and ethyne, its oxyhydrogen flame... Please rectify this

