Hydrogen and oxygen when burnt together give a flame known as __________ flame.

water gas

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oxy-hydrogen

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sodium hydroxide

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hydrogen sulphide

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Solution

The correct option is B oxy-hydrogen
Hydrogen and oxygen, when burnt together give a flame known as oxy-hydrogen flame. It has at a temperature of about $2800^{\circ} C - 3000^{\circ} C$ . The flame is used for cutting and welding.

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Hydrogen and oxygen when burnt together give a flame known as __________ flame.

The correct option is B oxy-hydrogenHydrogen and oxygen, when burnt together give a flame known as oxy-hydrogen flame. It has at a temperature of about 2800∘C−3000∘C. The flame is used for cutting and welding.

The correct option is B oxy-hydrogen
Hydrogen and oxygen, when burnt together give a flame known as oxy-hydrogen flame. It has at a temperature of about $2800^{\circ} C - 3000^{\circ} C$ . The flame is used for cutting and welding.