Which of the following is an yellow pigment? September 7, 2025 by Admin Titanium dioxide Ferrous sulphate Lead chromates Zinc sulphides ✅ The correct answer is option C.
__________ is a thermosetting plastic. September 7, 2025 by Admin Polyvinyl chloride Polythene Bakelite Teflon ✅ The correct answer is option C.
Solvent used for extraction of oil is September 7, 2025 by Admin Hexane Methyl ethyl ketone Furfurol None of these ✅ The correct answer is option A.
Extraction of __________ employs an electrolytic process. September 7, 2025 by Admin Aluminium Silver Copper All of the above ✅ The correct answer is option A.
Brackish water which contains mostly dissolved salt, can be purified by the __________ process. September 7, 2025 by Admin Reverse osmosis Sand filter Lime soda Permutit ✅ The correct answer is option A.
The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction. September 7, 2025 by Admin Exothermic Endothermic Catalytic Autocatalytic ✅ The correct answer is option B.
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C. September 7, 2025 by Admin 15-30 90-100 250-300 <0 ✅ The correct answer is option A.
Which of the following is a detergent? September 7, 2025 by Admin Fatty alcohol Alkyl benzene sulphonate (ABS) Fatty acids Methylene chloride ✅ The correct answer is option B.
The biochemical treatment applied to sewage effluents is a process of September 7, 2025 by Admin Dehydration Reduction Oxidation Polymerisation ✅ The correct answer is option C.
Molasses is the starting material for the production of September 7, 2025 by Admin Alcohol Essential oil Fatty acids Massecuite ✅ The correct answer is option A.