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Why can a dried acrylic layer become weak when too much water is added?

Answer and explanation

Correct answer: Excess water reduces the concentration of binder and pigment

The governing concept is acrylic adhesion: acrylic paint needs enough polymer binder to hold pigment particles together and attach the dried film to the surface. Excess water dilutes both binder and pigment, so the layer may lose covering power, become chalky or fragile, and adhere poorly. Therefore option C is correct. The other choices describe impossible effects; water does not turn paint into metal, make paper reject it, or allow a brush to cut a dry film.

Related tags

Acrylic DilutionBinderPaint StrengthAdhesionAcrylic ColourPainting TechniquesArt EducationClass 9 Mcq

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