Question

what is carolofic value of wood ,coal,c.n.g, hydrogen

Answer 1

Wood, 17000-22000. Coal, 25000-33000
Hydrogen. 150 KJ/g
CNG, 50000

Answer 2

$\huge {\bold {hello}}$

your answer is- - - - - -

calorific value of:

wood:17, 000-22, 0000 kj

coal:25000-33000 kj

cng:50000kj

hydrogen:1,50,00kj