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Why is it necessary to use a clean brush while blending?

Answer and explanation

Correct answer: To avoid unwanted colour mixing and muddiness

The governing concept is colour purity during blending. Paint left in a dirty brush mixes unintentionally with the new colour, changing its hue and often producing a dull, muddy patch. Washing and gently drying the brush before changing colours keeps the transition clean and controlled. Therefore, option A is correct; brush weight, paper thickness and permanence are unrelated to brush cleanliness.

Related tags

Clean BrushColour BlendingMuddy ColoursBrush CareColour Filling And BlendingPainting TechniquesArt EducationClass 9 Mcq

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