1.

Match the column I & II using the code given below the column.Column I Column IIA. Positive catalyst1. GlycerolB. Negative Catalyst2. MolybdenumC. Catalyst Poison3. MnO2D. Promoter4. H2SABCD(a)3142(b)4321(c)1234(d)2413

Answer»

(a)  3 1 4 2



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