(1) State the unit in which the calorific value of
a fuel is expressed.
D
(2) What is a chemical process in which a substance
reacts with oxygen producing energy called ?
(3) What is the fire in the forest called ?
(4) With what a person should be covered whose
clothes catches fire ?
(5) What is the lowest temperature at which a
substance catches fire called ?
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Answer:
1- KJ/KG 2- Combustion 3-spontaneous combustion 4- a woolen blanket 5- ignition temperature
Explanation: