The Chemistry division examines fire accelerant/inflammable residues in fire and arson cases, Phenolphthalein and Sodium carbonate in trap (Prevention of Corruption Act) cases, acidic and basic chemical substances encountered in vitriolage cases, comparison of soil samples, detection and quantification of nicotine in tobacco products, paints and pigments in Hit and Run cases, pigments and dyes in counterfeit currency and examination of the purity of petroleum products. Detection and comparison of chilly powder in murders and thefts, examination of contact traces, dust, dirt, medicinal preparations, spurious chemicals and elements, and elemental analysis of jewellery and idols are also carried out.