Which of the following diffuses fastest and which the slowest: Solid,liquid, gas Share with your friends Share 0 Abhilasha Grover answered this 1 View Full Answer Saurabh Singh answered this Gas diffuses fastest 0 Saurabh Singh answered this And solid diffuses slowest 0 Shikha Kumari answered this what is word equation 0 Jarsh answered this Gas diffuses faster and solid diffuses slower 0 Nisha answered this Gas is the fastest diffuser while solid is the slowest.. 1 Ankit Raj Singh answered this Gas diffuses fastest and solid diffuses slower 0 Yuvraj Singh answered this Definition of microorganisms 0 Fatima Sirat answered this Dear friend, Gas diffuse fastest whereas solids diffuse slowest. Regards. 0