Question

name the particles present in a liquid such as kerosene , that is a non electrolyte

Answer 1

 (i) Chemical compounds which conduct electricity either in a fused or in aq. solution state and undergo chemical decomposition due to the flow of current through it are called electrolytes. 
(ii) Molecules only. 
(iii) (a) They are electrolytes which allow a large amount of electricity to flow through them and hence are good conductors of electricity. 
(b) Are almost completely dissociated in fused or aqueous solution state. 
(c) The solution contains almost only free mobile – ions

Answer 2

it consists of about 10 hydrocarbons
each of which contains 10-16 carbons per molecule.mainly have straight chain and branched paraffins. cycloparaffins may also be present.