Which of the following is not an insecticide? September 7, 2025 by Admin Hydrocyanic acid Nicotine Sodium flouride Hexane ✅ The correct answer is option D.
Carbon disulphide is mainly used in the production of September 7, 2025 by Admin Viscose rayon Corundum Plasticiser for unsaturated polyester Paints ✅ The correct answer is option A.
Type of glass used in optical work is the __________ glass. September 7, 2025 by Admin Soda-lime Fibre Lead Borosilicate ✅ The correct answer is option C.
Dacron is a/an September 7, 2025 by Admin Polyester Unsaturated polyster Polyamide Inorganic polymer ✅ The correct answer is option A.
Helium is produced on commercial scale from September 7, 2025 by Admin Air Natural gas Coke oven gas None of these ✅ The correct answer is option B.
Lithopaneis September 7, 2025 by Admin Explosive White lead Filter aid ZnS (white pigment) ✅ The correct answer is option D.
The main product of high temperature carbonisation of coal is September 7, 2025 by Admin Coke Ammonia Tar Phenol ✅ The correct answer is option A.
Phosphate rock is a raw material for the manufacture of September 7, 2025 by Admin Phosphoric acid Phosphorous Superphosphates All of the above ✅ The correct answer is option D.
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale. September 7, 2025 by Admin Nickel Vanadium Alumina Iron ✅ The correct answer is option B.
Neon gas is September 7, 2025 by Admin Flammable in nature Used in color discharge tube Filled in lamps having tungsten filament All of the above ✅ The correct answer is option B.