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Uses of Ethene and Ethyne

gas is used i...

Question

____________ gas is used in welding.

A

Acetylene

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B

Acetelene

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C

Acetalene

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D

Ethelene

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Solution

The correct option is A Acetylene
Acetylene on partial oxidation in the air gives oxy-acetylene flame. This neutral flame is most generally used in welding and cutting.

So, Acetylene is used in welding.

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Similar questions

Q. A mixture of oxygen and ethyne is burnt for welding. Why a mixture of ethyne and air is not used?

Q. A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 litre (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate molecular formula of gas.

The fuel used for welding metals is a mixture of:

Q. A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 litre (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate : Molecular formula.

Q. A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives

3.38 g

carbon dioxide,

0.690 g

of water and no other products. A volume of

10.0 L

(measured at STP) of this welding gas is found to weigh

11.6 g

Calculate (i) empirical formula, (ii) molar mass of the gas and (iii) molecular formula.

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Uses of Ethene and Ethyne

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