When metal foundry products are cleaned by shot blasting, heat is generated by friction. Nitrogen is used for:

providing an inert atmosphere

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cooling the blast chamber

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reducing friction

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displacing hot air

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Solution

The correct option is A providing an inert atmosphere
Nitrogen commonly used as inert gas to create inert atmosphere because the strong triple bond needs a lot of energy to break and participate in a reaction. Hence, $N_{2}$ is referred as an inert gas.

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When metal foundry products are cleaned by shot blasting, heat is generated by friction. Nitrogen is used for:

The correct option is A providing an inert atmosphereNitrogen commonly used as inert gas to create inert atmosphere because the strong triple bond needs a lot of energy to break and participate in a reaction. Hence, N2 is referred as an inert gas.

The correct option is A providing an inert atmosphere
Nitrogen commonly used as inert gas to create inert atmosphere because the strong triple bond needs a lot of energy to break and participate in a reaction. Hence, $N_{2}$ is referred as an inert gas.