Assertion :Oxy hydrogen blow torch is used for welding. Reason: The temperature produced here is above 2000 $^{\circ}$ C.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
A mixture of oxygen and hydrogen is burnt in a specially designed apparatus called an oxyhydrogen flame to produce temperature touching $2000^{\circ} C$ , therefore, the flame because of its high temperature is used to cut & weld metals.

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