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What problem may occur if poster colour is beaten too rapidly on the palette?

Answer and explanation

Correct answer: Air may get mixed into the colour and form bubbles

The governing concept is gentle, controlled mixing. Beating wet poster colour very rapidly can trap air, producing small bubbles that later leave an uneven or pitted surface. Therefore option A is correct. Rapid mixing does not permanently increase opacity, cannot smooth the paper, and does not instantly harden brush bristles. A steady mixing motion with moderate pressure helps keep the paint uniform and reduces trapped air.

Related tags

Poster ColourPalette MixingPaint BubblesPainting TechniquesArt EducationClass 9 Mcq

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