A mixture of paraffin and potassium nitrate is used as
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solid propellants
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hybrid propellant
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liquid propellants
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All of the above
A
Correct answer
Explanation
Solid propellants are a mixture of solid hydrocarbon and an oxidising agent. This oxidising agent is stable at room temperature. For example, a mixture of paraffin and potassium nitrate..Paraffin is the solid hydrocarbon and KNO3 acts as the oxidising agent.