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Positive catalyst , Negative catalyst , Auto Catalyst ,
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This video deals with types of catalyst in detail.for jee neet

Arvind Arora
B.E.| IIT-JEE Mentor | 7+ Yr. Experience | YouTube Channel"MadeEjee Chemistry" with 15 Million+ Views | 260,000 subscribers.

Unacademy user
Macroeconomics deals at an aggregate level (Nation as a whole),while micro economics deals at individual level (firm, household etc)
Sir kindly elaborate more on the topics rather than stating
sir plz hydrocarbon ..... sir plzz upload hydrocarbon
good morning sir.....sir positive catalyst decrease the activation energy or thresholds energy....i get confused
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