The ignition temperature of an ideal fuel should _____________.

Lowest

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Highest

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Neither too high nor too low

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None of the above

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Solution

The correct option is D Neither too high nor too low
Ideal fuel should have a proper ignition temperature, so that it can be burned easily. The ignition temperature of an ideal fuel should neither be too low nor too high. If the ignition temperature of the fuel is very low, then the fuel will catch fire too easily and hence it will be very unsafe to use it. On the other hand, if the ignition temperature is too high, then it will be very difficult to light the fuel.

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