Oxyhydrogen flame is used for welding and cutting metals. give reasons?

Open in App

Solution

The Oxyhydrogen flame used for welding and cutting metals:
Oxy-hydrogen is a mixture of Hydrogen and Oxygen gases which is also known as ‘Knall-gas’ and is obtained by either electrolysis or combustion.
As both of the gases are combustible in nature, it increases the rate of combustion.
Hydrogen gas gets readily burns in Oxygen or air with the formation of water, in which the flame produced is mostly neutral in nature and it helps in increasing the temperature to around 2800 degrees Celsius.
At this temperature itself, metal tends to melt very easily, which explains the reason why the Oxy-hydrogen is generally used for cutting and melting metal.
Hence, the reason why Oxyhydrogen flame is used for welding and cutting metals has been explained above.

Suggest Corrections

Similar questions

Give reasons :

(a) Hydrogen is collected by the downward displacement of water and not of air, even though it is lighter than air.

(b) A candle brought near the mouth of a jar containing hydrogen gas starts burning but is extinguished when pushed inside the jar.

(d) Apparatus for laboratory preparation of hydrogen should be air tight and away from a naked flame.

Give scientific reasons.

(a) Diamond is used to cut metals.

(b) Carbon dioxide is used for putting out fires.

Which of the following is used for the production of oxy-acetylene flame for welding and cutting metals?

Join BYJU'S Learning Program