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What can happen if water is repeatedly added to poster colour?

Answer and explanation

Correct answer: The colour may become thinner and less opaque

The governing concept is control of paint consistency and opacity. Poster colour is usually relatively thick and opaque, so repeatedly adding water dilutes the pigment and binder. The mixture becomes runnier and may cover the paper less effectively, making the underlying surface more visible. Therefore, option D is correct. Water does not always turn colour black, cannot lengthen brush bristles, and does not make the mixture thicker. Add water sparingly and test the consistency first.

Related tags

Poster ColourWater ControlOpacityColour ConsistencyPainting TechniquesArt EducationClass 9 Mcq

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