Q1 of 32 Page 74

Why does petrol burn faster than coal?

Petrol burns faster than coal because petrol instantly reacts with oxygen molecules when burnt in the presence of air whereas coal does not react instantly. Petrol is obtained from petroleum.


More from this chapter

All 32 →
2

Name the important source from which naphthalene balls are obtained.

 3

Name the product of coal which is thick black liquid having an unpleasant smell.

 2

Name the two products of petroleum which are not used as fuels.

 3

Write the two products of petroleum which are used as fuels.