Asked in PMC Practice Test 9 (2021) 2021Moderate

Which catalyst are used in catalytic cracking?

Correct answer: B. Silica, Alumina

  • A. Silica, Lime
  • B. Silica, Alumina
  • C. Silica, Soda ash
  • D. Alumina, pt

Explanation

In the process of catalytic cracking, solid catalysts convert plastics into liquid fuel [lighter fractions]. Catalysts used in the reaction are silica, alumina, and aluminosilicate zeolite. So the most appropriate answer is B.

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About Alkanes

Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.

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