Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulphonic acid produces sodium dodecylbenzene sulphate, which is a/an September 7, 2025 by Admin Explosive Soap Detergent Analgesic drug ✅ The correct answer is option C.
Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is September 7, 2025 by Admin 0.14 0.34 0.94 1.4 ✅ The correct answer is option C.
Zeolite used in water softening process (cation exchange) is regenerated by washing with September 7, 2025 by Admin Brine Chloramines Sodium bisulphite Liquid chlorines ✅ The correct answer is option A.
Polycaprolactum is commercially known as September 7, 2025 by Admin Nylon-6 Nylon-66 Dacron Rayon ✅ The correct answer is option A.
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene? September 7, 2025 by Admin AgO Al2O₃ ZnCl₂ FE₂O₃ ✅ The correct answer is option A.
DDT stands for September 7, 2025 by Admin Diethyl-diphenyl-trichloromethane Dichloro-diphenyl-trichloromethane Diphenyl-dichloro-trichloromethane Dichloro-diphenyl-trichloroethane ✅ The correct answer is option D.
Deacon’s method is used for the manufacture of September 7, 2025 by Admin Glauber’s salt Common salt Chlorine Graphite electrode ✅ The correct answer is option C.
Which of the following is a constituent of coffee? September 7, 2025 by Admin Caffeine Nicotine Calgon Lignin ✅ The correct answer is option A.
‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of September 7, 2025 by Admin N₂ & H₂ CO₂ & H₂ CO & H₂ C & H₂ ✅ The correct answer is option C.
Gypsum is chemically September 7, 2025 by Admin Calcium chloride Potassium sulphate Sodium sulphate Calcium sulphate ✅ The correct answer is option D.