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Which of the following is not and example of heterogeneous catalytic reaction ? (1) Ostwald's process (2) Haber's process (3) Combustion of coal (4) Hydrogenation of vegetable oils

Which of the following is not and example of heterogeneous catalytic reaction ?
(1) Ostwald's process
(2) Haber's process
(3) Combustion of coal
(4) Hydrogenation of vegetable oils 

Grade:11

1 Answers

Mayank
368 Points
4 years ago
option 3 is correct as no catalyst is required for the combustion of coal ….............hope this helps

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