Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Achieve non-hygroscopic property None of these Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst Achieve non-hygroscopic property None of these Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following, when pyrolysed, produces perchloro-ethylene? Carbon tetrachloride Chlorinated paraffin Ethylene dichloride Chlorobenzene Carbon tetrachloride Chlorinated paraffin Ethylene dichloride Chlorobenzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Kopper-Totzek coal gasifier Cannot use coking coal Can give ammonia synthesis gas (H₂ + N₂) Operate at very high pressure Is a moving bed reactor Cannot use coking coal Can give ammonia synthesis gas (H₂ + N₂) Operate at very high pressure Is a moving bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Main use of liquid nitrogen is in Refrigerative cooling Making gun powder Rocket propulsion Detergent manufacture Refrigerative cooling Making gun powder Rocket propulsion Detergent manufacture ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Brackish water which contains mostly dissolved salt, can be purified by the __________ process. Sand filter Lime soda Permutit Reverse osmosis Sand filter Lime soda Permutit Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sulphuric acid completely saturated with sulphur trioxide is called Dilute sulphuric acid Oleum Concentrated sulphuric acid Sulphurous acid Dilute sulphuric acid Oleum Concentrated sulphuric acid Sulphurous acid ANSWER DOWNLOAD EXAMIANS APP
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