Question

compare lpg and wood as fuels

Answer 1

LPG:

It has more calorific value about 55000 kJ/kg It does not cause any environmental problem. It is smokeless fuel. It is easy to store and can be easily transported in cylinders and pipelines. Low Ignition temprature

wood:

It has less calorific value about 17000 to 22000 kJ/kg On burning wood release unburnt carbon particles which cause diseases such as asthma It gives out lot of smoke It needs a lot of space to store also very difficult to transport. High Ignition temperature.

Answer 2

$\huge{HEY!!}$
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✴$\large{ \bold{LPG}}$

▶It's ignition temperature is low.

▶It don't leave any recedue.

▶It produces no smoke when burnt.

▶It is not doing pollution.

▶it burns with a blue flame.

▶LPG has high calorific value.

▶Carbon dioxide is produced when burnt.

▶It is non - luminous.

▶It is easy to store.

▶It is a liquid fuel.

✴$\large{ \bold{Wood}}$

▶It's ignition temperature is high.

▶It leaves a lot of recedue.

▶It produces smoke when burnt.

▶It increases pollution.

▶It burns with a yellow flame.

▶Wood has low calorific value.

▶Carbon dioxide, Carbon monoxide and other gases are produced.

▶It is Luminous.

▶It is not easy to store.

▶It is a solid fuel.