Chemical Process The most commonly used substance to speed up the sedimentation of sewage is Sulphuric acid Sodium bisulphite Lime Chlorine Sulphuric acid Sodium bisulphite Lime Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Plasticisers are added to paints to Make it corrosion resistant Give elasticity & prevent cracking of the film Increase atmospheric oxidation Make glossy surface Make it corrosion resistant Give elasticity & prevent cracking of the film Increase atmospheric oxidation Make glossy surface ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Caprolactum (a raw material for nylon-6 manufacture) is produced from Phenol Benzene Naphthalene Pyridine Phenol Benzene Naphthalene Pyridine ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Sinter the ore Remove arsenic & sulphur Dehydrate it Remove CO₂ & H₂O Sinter the ore Remove arsenic & sulphur Dehydrate it Remove CO₂ & H₂O ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is the purest form of water out of the following ? Underground water Rain water Well water Lake water Underground water Rain water Well water Lake water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Oxidation of benzene None of these Dehydrogenation of ethyl benzene Oxidation of naphthalene Oxidation of benzene None of these Dehydrogenation of ethyl benzene Oxidation of naphthalene ANSWER DOWNLOAD EXAMIANS APP