Question: 10) (i) What is diffusion? (1mk) (ii) State the factors affecting the rate of diffusion of a gas (2mks) 11) State any three differences between

10) (i) What is diffusion? (1mk) (ii) State the factors affecting the rate of diffusion of a gas (2mks) 11) State any three differences between mass and weight (3mks) 12) An object has a mass of 120g.what is the weight of the object at the moon surface? (gravitational intensity of the moon is a third that of the earth) (2mks) 13) The water level in a burette is 40.6cm'. 50 drops of water each of volume 0.2cm are added to the water in the burette. What is the final reading of the burette? (3mks)

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