Chemical Process Which of the following processes can remove both temporary as well as permanent hardness of water? Boiling None of these Distillation Filtration Boiling None of these Distillation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is an endothermic reaction? Both B and C Thermal dissociation of iron pyrites C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ Both B and C Thermal dissociation of iron pyrites C + H₂O = CO + H₂ Absorption of SO₃ in 98% H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is made by the Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene Dehydrogenation of ethyl benzene Oxidation of naphthalene None of these Oxidation of benzene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Carbon content of pitch (residue of coal tar distillation) is around __________ percent. 94 70 80 55 94 70 80 55 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the Diamine and the dibasic acid None of these Diamine and the ring Dibasic acid and the ring Diamine and the dibasic acid None of these Diamine and the ring Dibasic acid and the ring ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not required in the manufacture of soda ash by Solvay process? Ammonia None of these Nitric acid Limestone Ammonia None of these Nitric acid Limestone ANSWER DOWNLOAD EXAMIANS APP
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