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Arrange the given combustible substance in decreasing order of calorific value.
(a) Hydrogen (b) Charcoal (c ) Petrol (d) L.P.G ( e) Wood
A. bcade
B. adcbe
C. badec
D. baced

1 Answer

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Best answer
Correct Answer - B
(i) Hydrogen
(ii) L.P.G
(iii) Petrol
(iv) Charcoal
(v) Wood

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