The main gas present in L.P.G
Pentane
Butane
Hexane
Octane
Chemical substance which prevent the growth of micro-organisms or kill them but are not harmful to the living human tissues are called
Antiseptics
Analgetics
Pesticides
Disinfectant
The flame deposits soot and is yellow in colour is
Flame less
Non-luminous flame
Luminous flame
Coloured flame
The burning sensation of chilly pepper is due to the presence of chemical
Cytosine
Uracil
Capaicin
Thiamine
An apparatus used for holding several test tubes is
Test tube holder
Spatula
Test tube stand
Tripod stand
The chemical used to bind the dye to the fabric
Cotton
Mordant
Rayon
Glue
The cigarette lighter was invented by
Dobereiner
Robert Wilhelm Bunsen
Michel Faraday
Lavoiser
CAN is a/an
Nitrogenous fertilizer
Phosphate fertilizer
Potash fertilizer
Npk fertilizer
The acid present in ant is
Acetic acid
Formic acid
Malicacid
Latic acid
