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Question
What are the characteristics of an ideal fuel (or good fuel)?
Solution
The characteristics of a good fuel are the following.
1. It should have a high calorific value, i.e., it should give an adequate amount of heat per unit mass.
2. It should burn without giving out any harmful gases, so that it does not pollute the air.
3. It should have a proper ignition temperature, so that it burns easily. (Its ignition temperature should neither be too low nor too high.)
4. It should be cheap, easily available and easy to handle.
5. After burning, it should not leave much ash.
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Write the approximate mass of a proton, neutron and electron in a.m.u.
Complete the following nuclear change:
\[\ce{^24_11 Na -> ...Mg.... + ^0_-1β}\]
An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.
Give scientific reasons.
It is absolutely necessary to control the fission reaction in nuclear power plants.
