Question

Fill in the blanks.
a) Fuels release their energy through a chemical reaction known as
b)
reaction is accompanied by the evolution of heat.
c) The substances which
easily on burning give flames.
d) Changing of solids directly into vapour on heating is called
e) Unburnt carbon particles form
which appears as a dark powder.
f
should never be used in case of an electrical fire.
Define the following:​

Answer 1

Answer:

a) Exothermic reaction

b) endothermic reaction

ç) inflammable substances.

d) sublimation

e) ash or soot

f) water

Answer 2

Nothing ,.

just chill

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