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What may cause a dried poster-colour layer to flake like powder?

Answer and explanation

Correct answer: Poor adhesion or an excessively thick, dry layer

A dusty or unsuitable surface can prevent paint from adhering well. An overly thick layer with too little water may also dry poorly and become prone to flaking. The other choices do not, by themselves, explain this problem.

Related tags

Poster ColourPaint AdhesionPainting TechniquesArt EducationClass 9 Mcq

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