Fuel A and Fuel B are mixed. Ignition temperature of A is lower then room temperature and that of B is about $50^{\circ}$ C. What will burn?

Fuel A

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Fuel B

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Mixture

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No burning

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Solution

The correct option is C
Mixture

In the mixture, fuel A will start burning spontaneously. The heat from this combustion will raise the temperature of the mixture. When the temperature rises above $50^{\circ}$ C, even fuel B will start burning.

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Fuel A and Fuel B are mixed. Ignition temperature of A is lower then room temperature and that of B is about 50∘C. What will burn?

The correct option is C Mixture In the mixture, fuel A will start burning spontaneously. The heat from this combustion will raise the temperature of the mixture. When the temperature rises above 50∘C, even fuel B will start burning.

Fuel A and Fuel B are mixed. Ignition temperature of A is lower then room temperature and that of B is about $50^{\circ}$ C. What will burn?

The correct option is C
Mixture

In the mixture, fuel A will start burning spontaneously. The heat from this combustion will raise the temperature of the mixture. When the temperature rises above $50^{\circ}$ C, even fuel B will start burning.