2. What happens to the mixture when colloidal particles scatter light?
A. The mixtures have a cloudy appearance
B. You cannot clearly see the components in the mixture.
C. The particles in the mixture can be broken down easily.
D. The particles in the mixture are suspended in a gas or liquid.
A. The mixtures have a cloudy appearance
B. You cannot clearly see the components in the mixture.
C. The particles in the mixture can be broken down easily.
D. The particles in the mixture are suspended in a gas or liquid.
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Answer:
A
Explanation:
The particles in a colloid are large enough to scatter light, a phenomenon called the Tyndall effect. This can make colloidal mixtures appear cloudy or opaque, such as the searchlight beams shown in Figure 2. Clouds are colloidal mixtures.