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Why must the first layer dry before applying a second opaque poster-colour layer?

Answer and explanation

Correct answer: To prevent unwanted mixing and lifting

The governing concept is opaque layering with a water-sensitive paint film. When the first layer is dry, it forms a more stable base, so the second layer can cover it without dissolving or dragging the colour below. Option C is correct. Applying paint while the base is wet can cause unwanted mixing, streaks, and lifting. Drying does not thicken the paper, make opaque paint transparent, or enlarge the brush.

Related tags

Opaque LayeringDryingPaint LiftingPoster ColourPainting TechniquesArt EducationClass 9 Mcq

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