Which of the following processes does not involve a catalyst [KCET 199

1.	Which of the following processes does not involve a catalyst [KCET 1991]
A.	Haber's process
B.	Thermite process
C.	Ostwald process
D.	Contact process
Answer» C. Ostwald process

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Which of the following processes does not involve a catalyst [KCET 1991]

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