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How does drier act as a catalyst?(a) Releasing oxygen(b) Releasing water(c) Absorbing oxygen(d) Absorbing waterI got this question by my school teacher while I was bunking the class.The doubt is from Characteristics and Ingredients of Paint in chapter Materials for Construction of Basic Civil Engineering

Answer»

Correct option is (c) Absorbing OXYGEN

Easiest explanation: Drier accelerates the rate of DRYING of paint film.It absorbs oxygen from the ATMOSPHERE and transfers it to a vehicle, which in TURN hardens.



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